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NEWS
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What's new in Sudo 1.9.16p1
* Fixed the test for cross-compiling when checking for C99 snprintf().
The changes made to the test in sudo 1.9.16 resulted in a different
problem. GitHub issue #386.
* Fixed the date used by the exit record in sudo-format log files.
This was a regression introduced in sudo 1.9.16 and only affected
file-based logs, not syslog. GitHub issue #405.
* Fixed the root cause of the "unable to find terminal name for
device" message when running sudo on AIX when no terminal is
present. In sudo 1.9.16 this was turned from a debug message
into a warning. GitHub issue #408
* When a duplicate alias is found in the sudoers file, the warning
message now includes the file and line number of the previous
definition.
* Added support for the --with-secure-path-value=no configure
option to allow packagers to ship the default sudoers file with
the secure path line commented out.
* Sudo no longer sends mail when a user runs "sudo -nv" or "sudo -nl",
even if "mail_badpass" or "mail_always" are set. Sudo already
avoids logging to a file or syslog in this case. Bug #1072.
What's new in Sudo 1.9.16
* Added the "cmddenial_message" sudoers option to provide additional
information to the user when a command is denied by the sudoers
policy. The default message is still displayed.
* The time stamp used for file-based logs is now more consistent
with the time stamp produced by syslog. GitHub issues #327.
* Sudo will now warn the user if it can detect the user's terminal
but cannot determine the path to the terminal device. The sudoers
time stamp file will now use the terminal device number directly.
GitHub issue #329.
* The embedded copy of zlib has been updated to version 1.3.1.
* Improved error handling if generating the list of signals and signal
names fails at build time.
* Fixed a compilation issue on Linux systems without process_vm_readv().
* Fixed cross-compilation with WolfSSL.
* Added a "json_compact" value for the sudoers "log_format" option
which can be used when logging to a file. The existing "json"
value has been aliased to "json_pretty". In a future release,
"json" will be an alias for "json_compact". GitHub issue #357.
* A new "pam_silent" sudoers option has been added which may be
negated to avoid suppressing output from PAM authentication modules.
GitHub issue #216.
* Fixed several cvtsudoers JSON output problems.
GitHub issues #369, #370, #371, #373, #381.
* When sudo runs a command in a pseudo-terminal and the user's
terminal is revoked, the pseudo-terminal's foreground process
group will now receive SIGHUP before the terminal is revoked.
This emulates the behavior of the session leader exiting and is
consistent with what happens when, for example, an ssh session
is closed. GitHub issue #367.
* Fixed "make test" with Python 3.12. GitHub issue #374.
* In schema.ActiveDirectory, fixed the quoting in the example command.
GitHub issue #376.
* Paths specified via a Chdir_Spec or Chroot_Spec in sudoers may
now be double-quoted.
* Sudo insults are now included by default, but disabled unless
the --with-insults configure option is specified or the "insults"
sudoers option is enabled.
* The default sudoers file now enables the "secure_path" option by
default and preserves the EDITOR, VISUAL, and SUDO_EDITOR environment
variables when running visudo. The new --with-secure-path-value
configure option can be used to set the value of "secure_path" in
the default sudoers file. GitHub issue #387.
* A sudoers schema for IBM Directory Server (aka IBM Tivoli Directory
Server, IBM Security Directory Server, and IBM Security Verify
Directory) is now included.
* When cross-compiling sudo, the configure script now assumes that
the snprintf() function is C99-compliant if the C compiler
supports the C99 standard. Previously, configure would use
sudo's own snprintf() when cross-compiling. GitHub issue #386.
What's new in Sudo 1.9.15p5
* Fixed evaluation of the "lecture", "listpw", "verifypw", and
"fdexec" sudoers Defaults settings when used without an explicit
value. Previously, if specified without a value they were
evaluated as boolean "false", even when the negation operator
('!') was not present.
* Fixed a bug introduced in sudo 1.9.14 that prevented LDAP
netgroup queries using the NETGROUP_BASE setting from being
performed.
* Sudo will now transparently rename a user's lecture file from
the older name-based path to the newer user-ID-based path.
GitHub issue #342.
* Fixed a bug introduced in sudo 1.9.15 that could cause a memory
allocation failure if sysconf(_SC_LOGIN_NAME_MAX) fails. Bug #1066.
What's new in Sudo 1.9.15p4
* Fixed a bug introduced in sudo 1.9.15 that could prevent a user's
privileges from being listed by "sudo -l" if the sudoers entry
in /etc/nsswitch.conf contains "[SUCCESS=return]". This did not
affect the ability to run commands via sudo. Bug #1063.
What's new in Sudo 1.9.15p3
* Always disable core dumps when sudo sends itself a fatal signal.
Fixes a problem where sudo could potentially dump core dump when
it re-sends the fatal signal to itself. This is only an issue
if the command received a signal that would normally result in
a core dump but the command did not actually dump core.
* Fixed a bug matching a command with a relative path name when
the sudoers rule uses shell globbing rules for the path name.
Bug #1062.
* Permit visudo to be run even if the local host name is not set.
GitHub issue #332.
* Fixed an editing error introduced in sudo 1.9.15 that could
prevent sudoreplay from replaying sessions correctly.
GitHub issue #334.
* Fixed a bug introduced in sudo 1.9.15 where "sudo -l > /dev/null"
could hang on Linux systems. GitHub issue #335.
* Fixed a bug introduced in sudo 1.9.15 where Solaris privileges
specified in sudoers were not applied to the command being run.
What's new in Sudo 1.9.15p2
* Fixed a bug on BSD systems where sudo would not restore the
terminal settings on exit if the terminal had parity enabled.
GitHub issue #326.
What's new in Sudo 1.9.15p1
* Fixed a bug introduced in sudo 1.9.15 that prevented LDAP-based
sudoers from being able to read the ldap.conf file.
GitHub issue #325.
What's new in Sudo 1.9.15
* Fixed an undefined symbol problem on older versions of macOS
when "intercept" or "log_subcmds" are enabled in sudoers.
GitHub issue #276.
* Fixed "make check" failure related to getpwent(3) wrapping
on NetBSD.
* Fixed the warning message for "sudo -l command" when the command
is not permitted. There was a missing space between "list" and
the actual command due to changes in sudo 1.9.14.
* Fixed a bug where output could go to the wrong terminal if
"use_pty" is enabled (the default) and the standard input, output
or error is redirected to a different terminal. Bug #1056.
* The visudo utility will no longer create an empty file when the
specified sudoers file does not exist and the user exits the
editor without making any changes. GitHub issue #294.
* The AIX and Solaris sudo packages on www.sudo.ws now support
"log_subcmds" and "intercept" with both 32-bit and 64-bit
binaries. Previously, they only worked when running binaries
with the same word size as the sudo binary. GitHub issue #289.
* The sudoers source is now logged in the JSON event log. This
makes it possible to tell which rule resulted in a match.
* Running "sudo -ll command" now produces verbose output that
includes matching rule as well as the path to the sudoers file
the matching rule came from. For LDAP sudoers, the name of the
matching sudoRole is printed instead.
* The embedded copy of zlib has been updated to version 1.3.
* The sudoers plugin has been modified to make it more resilient
to ROWHAMMER attacks on authentication and policy matching.
This addresses CVE-2023-42465.
* The sudoers plugin now constructs the user time stamp file path
name using the user-ID instead of the user name. This avoids a
potential problem with user names that contain a path separator
('/') being interpreted as part of the path name. A similar
issue in sudo-rs has been assigned CVE-2023-42456.
* A path separator ('/') in a user, group or host name is now
replaced with an underbar character ('_') when expanding escapes
in @include and @includedir directives as well as the "iolog_file"
and "iolog_dir" sudoers Default settings.
* The "intercept_verify" sudoers option is now only applied when
the "intercept" option is set in sudoers. Previously, it was
also applied when "log_subcmds" was enabled. Sudo 1.9.14
contained an incorrect fix for this. Bug #1058.
* Changes to terminal settings are now performed atomically, where
possible. If the command is being run in a pseudo-terminal and
the user's terminal is already in raw mode, sudo will not change
the user's terminal settings. This prevents concurrent sudo
processes from restoring the terminal settings to the wrong values.
GitHub issue #312.
* Reverted a change from sudo 1.9.4 that resulted in PAM session
modules being called with the environment of the command to be
run instead of the environment of the invoking user.
GitHub issue #318.
* New Indonesian translation from translationproject.org.
* The sudo_logsrvd server will now raise its open file descriptor
limit to the maximum allowed value when it starts up. Each
connection can require up to nine open file descriptors so the
default soft limit may be too low.
* Better log message when rejecting a command if the "intercept"
option is enabled and the "intercept_allow_setid" option is
disabled. Previously, "command not allowed" would be logged and
the user had no way of knowing what the actual problem was.
* Sudo will now log the invoking user's environment as "submitenv"
in the JSON logs. The command's environment ("runenv") is no
longer logged for commands rejected by the sudoers file or an
approval plugin.
What's new in Sudo 1.9.14p3
* Fixed a crash with Python 3.12 when the sudo Python plugin is
unloaded. This only affects "make check" for the Python plugin.
* Adapted the sudo Python plugin test output to match Python 3.12.
What's new in Sudo 1.9.14p2
* Fixed a crash on Linux systems introduced in version 1.9.14 when
running a command with a NULL argv[0] if "log_subcmds" or
"intercept" is enabled in sudoers.
* Fixed a problem with "stair-stepped" output when piping or
redirecting the output of a sudo command that takes user input.
* Fixed a bug introduced in sudo 1.9.14 that affects matching
sudoers rules containing a Runas_Spec with an empty Runas user.
These rules should only match when sudo's -g option is used but
were matching even without the -g option. GitHub issue #290.
What's new in Sudo 1.9.14p1
* Fixed an invalid free bug in sudo_logsrvd that was introduced
in version 1.9.14 which could cause sudo_logsrvd to crash.
* The sudoers plugin no longer tries to send the terminal name
to the log server when no terminal is present. This bug was
introduced in version 1.9.14.
What's new in Sudo 1.9.14
* Fixed a bug where if the "intercept" or "log_subcmds" sudoers
option was enabled and a sub-command was run where the first
entry of the argument vector didn't match the command being run.
This resulted in commands like "sudo su -" being killed due to
the mismatch. Bug #1050.
* The sudoers plugin now canonicalizes command path names before
matching (where possible). This fixes a bug where sudo could
execute the wrong path if there are multiple symbolic links with
the same target and the same base name in sudoers that a user is
allowed to run. GitHub issue #228.
* Improved command matching when a chroot is specified in sudoers.
The sudoers plugin will now change the root directory id needed
before performing command matching. Previously, the root directory
was simply prepended to the path that was being processed.
* When NETGROUP_BASE is set in the ldap.conf file, sudo will now
perform its own netgroup lookups of the host name instead of
using the system innetgr(3) function. This guarantees that user
and host netgroup lookups are performed using the same LDAP
server (or servers).
* Fixed a bug introduced in sudo 1.9.13 that resulted in a missing
" ; " separator between environment variables and the command
in log entries.
* The visudo utility now displays a warning when it ignores a file
in an include dir such as /etc/sudoers.d.
* When running a command in a pseudo-terminal, sudo will initialize
the terminal settings even if it is the background process.
Previously, sudo only initialized the pseudo-terminal when running
in the foreground. This fixes an issue where a program that
checks the window size would read the wrong value when sudo was
running in the background.
* Fixed a bug where only the first two digits of the TSID field
being was logged. Bug #1046.
* The "use_pty" sudoers option is now enabled by default. To
restore the historic behavior where a command is run in the
user's terminal, add "Defaults !use_pty" to the sudoers file.
GitHub issue #258.
* Sudo's "-b" option now works when the command is run in a
pseudo-terminal.
* When disabling core dumps, sudo now only modifies the soft limit
and leaves the hard limit as-is. This avoids problems on Linux
when sudo does not have CAP_SYS_RESOURCE, which may be the case
when run inside a container. GitHub issue #42.
* Sudo configuration file paths have been converted to colon-separated
lists of paths. This makes it possible to have configuration
files on a read-only file system while still allowing for local
modifications in a different (writable) directory. The new
--enable-adminconf configure option can be used to specify a
directory that is searched for configuration files in preference
to the sysconfdir (which is usually /etc).
* The NETGROUP_QUERY ldap.conf parameter can now be disabled for
LDAP servers that do not support querying the nisNetgroup object
by its nisNetgroupTriple attribute, while still allowing sudo to
query the LDAP server directly to determine netgroup membership.
* Fixed a long-standing bug where a sudoers rule without an explicit
runas list allowed the user to run a command as root and any
group instead of just one of the groups that root is a member
of. For example, a rule such as "myuser ALL = ALL" would permit
"sudo -u root -g othergroup" even if root did not belong to
"othergroup".
* Fixed a bug where a sudoers rule with an explicit runas list
allowed a user to run sudo commands as themselves. For example,
a rule such as "myuser ALL = (root) ALL", "myuser" should only
allow commands to be run as root (optionally using one of root's
groups). However, the rule also allowed the user to run
"sudo -u myuser -g myuser command".
* Fixed a bug that prevented the user from specifying a group on
the command line via "sudo -g" if the rule's Runas_Spec contained
a Runas_Alias.
* Sudo now requires a C compiler that conforms to ISO C99 or higher
to build.
What's new in Sudo 1.9.13p3
* Fixed a bug introduced in sudo 1.9.13 that caused a syntax error
when "list" was used as a user or host name. GitHub issue #246.
* Fixed a bug that could cause sudo to hang when running a command
in a pseudo-terminal when there is still input buffered after a
command has exited.
* Fixed "sudo -U otheruser -l command". This is a regression in
sudo 1.9.13. GitHub issue #248.
* Fixed "sudo -l command args" when matching a command in sudoers
with command line arguments. This is a regression in sudo 1.9.13.
GitHub issue #249.
What's new in Sudo 1.9.13p2
* Fixed the --enable-static-sudoers option, broken in sudo 1.9.13.
GitHub issue #245.
* Fixed a potential double-free bug when matching a sudoers rule
that contains a per-command chroot directive (CHROOT=dir). This
bug was introduced in sudo 1.9.8.
What's new in Sudo 1.9.13p1
* Fixed a typo in the configure script that resulted in a line
like "]: command not found" in the output. GitHub issue #238.
* Corrected the order of the C23 [[noreturn]] attribute in function
prototypes. This fixes a build error with GCC 13. GitHub issue
#239.
* The "check" make target misbehaved when there was more than
one version of the UTF-8 C locale in the output of "locale -a".
GitHub issue #241.
* Removed a dependency on the AC_SYS_YEAR2038 macro in configure.ac.
This was added in autoconf 2.72 but sudo's configure.ac only
required autoconf 2.70.
* Relaxed the autoconf version requirement to version 2.69.
What's new in Sudo 1.9.13
* Fixed a bug running relative commands via sudo when "log_subcmds"
is enabled. GitHub issue #194.
* Fixed a signal handling bug when running sudo commands in a shell
script. Signals were not being forwarded to the command when
the sudo process was not run in its own process group.
* Fixed a bug in cvtsudoers' LDIF parsing when the file ends without
a newline and a backslash is the last character of the file.
* Fixed a potential use-after-free bug with cvtsudoers filtering.
GitHub issue #198.
* Added a reminder to the default lecture that the password will
not echo. This line is only displayed when the pwfeedback option
is disabled. GitHub issue #195.
* Fixed potential memory leaks in error paths. GitHub issues #199,
#202.
* Fixed potential NULL dereferences on memory allocation failure.
GitHub issues #204, #211.
* Sudo now uses C23-style attributes in function prototypes instead
of gcc-style attributes if supported.
* Added a new "list" pseudo-command in sudoers to allow a user to
list another user's privileges. Previously, only root or a user
with the ability to run any command as either root or the target
user on the current host could use the -U option. This also
includes a fix to the log entry when a user lacks permission to
run "sudo -U otheruser -l command". Previously, the logs would
indicate that the user tried to run the actual command, now the
log entry includes the list operation.
* JSON logging now escapes control characters if they happen to
appear in the command or environment.
* New Albanian translation from translationproject.org.
* Regular expressions in sudoers or logsrvd.conf may no longer
contain consecutive repetition operators. This is implementation-
specific behavior according to POSIX, but some implementations
will allocate excessive amounts of memory. This mainly affects
the fuzzers.
* Sudo now builds AIX-style shared libraries and dynamic shared
objects by default instead of svr4-style. This means that the
default sudo plugins are now .a (archive) files that contain a
.so shared object file instead of bare .so files. This was done
to improve compatibility with the AIX Freeware ecosystem,
specifically, the AIX Freeware build of OpenSSL. Sudo will still
load svr4-style .so plugins and if a .so file is requested,
either via sudo.conf or the sudoers file, and only the .a file
is present, sudo will convert the path from plugin.so to
plugin.a(plugin.so) when loading it. This ensures compatibility
with existing configurations. To restore the old, pre-1.9.13
behavior, run configure using the --with-aix-soname=svr4 option.
* Sudo no longer checks the ownership and mode of the plugins that
it loads. Plugins are configured via either the sudo.conf or
sudoers file which are trusted configuration files. These checks
suffered from time-of-check versus time-of-use race conditions and
complicate loading plugins that are not simple paths. Ownership
and mode checks are still performed when loading the sudo.conf
and sudoers files, which do not suffer from race conditions.
The sudo.conf "developer_mode" setting is no longer used.
* Control characters in sudo log messages and "sudoreplay -l"
output are now escaped in octal format. Space characters in the
command path are also escaped. Command line arguments that
contain spaces are surrounded by single quotes and any literal
single quote or backslash characters are escaped with a backslash.
This makes it possible to distinguish multiple command line
arguments from a single argument that contains spaces.
* Improved support for DragonFly BSD which uses a different struct
procinfo than either FreeBSD or 4.4BSD.
* Fixed a compilation error on Linux arm systems running older
kernels that may not define EM_ARM in linux/elf-em.h.
GitHub issue #232.
* Fixed a compilation error when LDFLAGS contains -Wl,--no-undefined.
Sudo will now link using -Wl,--no-undefined by default if possible.
GitHub issue #234.
* Fixed a bug executing a command with a very long argument vector
when "log_subcmds" or "intercept" is enabled on a system where
"intercept_type" is set to "trace". GitHub issue #194.
* When sudo is configured to run a command in a pseudo-terminal
but the standard input is not connected to a terminal, the command
will now be run as a background process. This works around a
problem running sudo commands in the background from a shell
script where changing the terminal to raw mode could interfere
with the interactive shell that ran the script.
GitHub issue #237.
* A missing include file in sudoers is no longer a fatal error
unless the error_recovery plugin argument has been set to false.
What's new in Sudo 1.9.12p2
* Fixed a compilation error on Linux/aarch64. GitHub issue #197.
* Fixed a potential crash introduced in the fix for GitHub issue #134.
If a user's sudoers entry did not have any RunAs user's set,
running "sudo -U otheruser -l" would dereference a NULL pointer.
* Fixed a bug introduced in sudo 1.9.12 that could prevent sudo
from creating a I/O files when the "iolog_file" sudoers setting
contains six or more Xs.
* Fixed a compilation issue on AIX with the native compiler.
GitHub issue #231.
* Fixed CVE-2023-22809, a flaw in sudo's -e option (aka sudoedit)
that could allow a malicious user with sudoedit privileges to
edit arbitrary files.
What's new in Sudo 1.9.12p1
* Sudo's configure script now does a better job of detecting when
the -fstack-clash-protection compiler option does not work.
GitHub issue #191.
* Fixed CVE-2022-43995, a potential out-of-bounds write for passwords
smaller than 8 characters when passwd authentication is enabled.
This does not affect configurations that use other authentication
methods such as PAM, AIX authentication or BSD authentication.
* Fixed a build error with some configurations compiling host_port.c.
What's new in Sudo 1.9.12
* Fixed a bug in the ptrace-based intercept mode where the current
working directory could include garbage at the end.
* Fixed a compilation error on systems that lack the stdint.h
header. Bug #1035
* Fixed a bug when logging the command's exit status in intercept
mode. The wrong command could be logged with the exit status.
* For ptrace-based intercept mode, sudo will now attempt to
verify that the command path name, arguments and environment
have not changed from the time when they were authorized by the
security policy. The new "intercept_verify" sudoers setting can
be used to control this behavior.
* Fixed running commands with a relative path (e.g., ./foo) in
intercept mode. Previously, this would fail if sudo's current
working directory was different from that of the command.
* Sudo now supports passing the execve(2) system call the NULL
pointer for the `argv` and/or `envp` arguments when in intercept
mode. Linux treats a NULL pointer like an empty array.
* The sudoers LDAP schema now allows sudoUser, sudoRunasUser and
sudoRunasGroup to include UTF-8 characters, not just 7-bit ASCII.
* Fixed a problem with "sudo -i" on SELinux when the target user's
home directory is not searchable by sudo. GitHub issue #160.
* Neovim has been added to the list of visudo editors that support
passing the line number on the command line.
* Fixed a bug in sudo's SHA384 and SHA512 message digest padding.
* Added a new "-N" (--no-update) command line option to sudo which
can be used to prevent sudo from updating the user's cached
credentials. It is now possible to determine whether or not a
user's cached credentials are currently valid by running:
$ sudo -Nnv
and checking the exit value. One use case for this is to indicate
in a shell prompt that sudo is "active" for the user.
* PAM approval modules are no longer invoked when running sub-commands
in intercept mode unless the "intercept_authenticate" option is set.
There is a substantial performance penalty for calling into PAM
for each command run. PAM approval modules are still called for
the initial command.
* Intercept mode on Linux now uses process_vm_readv(2) and
process_vm_writev(2) if available.
* The XDG_CURRENT_DESKTOP environment variable is now preserved
by default. This makes it possible for graphical applications
to choose the correct theme when run via sudo.
* On 64-bit systems, if sudo fails to load a sudoers group plugin,
it will use system-specific heuristics to try to locate a 64-bit
version of the plugin.
* The cvtsudoers manual now documents the JSON and CSV output
formats. GitHub issue #172.
* Fixed a bug where sub-commands were not being logged to a remote
log server when log_subcmds was enabled. GitHub issue #174.
* The new log_stdin, log_stdout, log_stderr, log_ttyin, and log_ttyout
sudoers settings can be used to support more fine-grained I/O logging.
The sudo front-end no longer allocates a pseudo-terminal when running
a command if the I/O logging plugin requests logging of stdin, stdout,
or stderr but not terminal input/output.
* Quieted a libgcrypt run-time initialization warning.
This fixes Debian bug #1019428 and Ubuntu bug #1397663.
* Fixed a bug in visudo that caused literal backslashes to be removed
from the EDITOR environment variable. GitHub issue #179.
* The sudo Python plugin now implements the "find_spec" method instead
of the deprecated "find_module". This fixes a test failure when
a newer version of setuptools that doesn't include "find_module" is
found on the system.
* Fixed a bug introduced in sudo 1.9.9 where sudo_logsrvd created
the process ID file, usually /var/run/sudo/sudo_logsrvd.pid, as
a directory instead of a plain file. The same bug could result
in I/O log directories that end in six or more X's being created
literally in addition to the name being used as a template for
the mkdtemp(3) function.
* Fixed a long-standing bug where a sudoers rule with a command
line argument of "", which indicates the command may be run with
no arguments, would also match a literal "" on the command line.
GitHub issue #182.
* Added the -I option to visudo which only edits the main sudoers
file. Include files are not edited unless a syntax error is found.
* Fixed "sudo -l -U otheruser" output when the runas list is empty.
Previously, sudo would list the invoking user instead of the
list user. GitHub issue #183.
* Fixed the display of command tags and options in "sudo -l" output
when the RunAs user or group changes. A new line is started for
RunAs changes which means we need to display the command tags
and options again. GitHub issue #184.
* The sesh helper program now uses getopt_long(3) to parse the
command line options.
* The embedded copy of zlib has been updated to version 1.2.13.
* Fixed a bug that prevented event log data from being sent to the
log server when I/O logging was not enabled. This only affected
systems without PAM or configurations where the pam_session and
pam_setcred options were disabled in the sudoers file.
* Fixed a bug where "sudo -l" output included a carriage return
after the newline. This is only needed when displaying to a
terminal in raw mode. Bug #1042.
What's new in Sudo 1.9.11p3
* Fixed "connection reset" errors on AIX when running shell scripts
with the "intercept" or "log_subcmds" sudoers options enabled.
Bug #1034.
* Fixed very slow execution of shell scripts when the "intercept"
or "log_subcmds" sudoers options are set on systems that enable
Nagle's algorithm on the loopback device, such as AIX.
Bug #1034.
What's new in Sudo 1.9.11p2
* Fixed a compilation error on Linux/x86_64 with the x32 ABI.
* Fixed a regression introduced in 1.9.11p1 that caused a warning
when logging to sudo_logsrvd if the command returned no output.
What's new in Sudo 1.9.11p1
* Correctly handle EAGAIN in the I/O read/right events. This fixes
a hang seen on some systems when piping a large amount of data
through sudo, such as via rsync. Bug #963.
* Changes to avoid implementation or unspecified behavior when
bit shifting signed values in the protobuf library.
* Fixed a compilation error on Linux/aarch64.
* Fixed the configure check for seccomp(2) support on Linux.
* Corrected the EBNF specification for tags in the sudoers manual
page. GitHub issue #153.
What's new in Sudo 1.9.11
* Fixed a crash in the Python module with Python 3.9.10 on some
systems. Additionally, "make check" now passes for Python 3.9.10.
* Error messages sent via email now include more details, including
the file name and the line number and column of the error.
Multiple errors are sent in a single message. Previously, only
the first error was included.
* Fixed logging of parse errors in JSON format. Previously,
the JSON logger would not write entries unless the command and
runuser were set. These may not be known at the time a parse
error is encountered.
* Fixed a potential crash parsing sudoers lines larger than twice
the value of LINE_MAX on systems that lack the getdelim() function.
* The tests run by "make check" now unset the LANGUAGE environment
variable. Otherwise, localization strings will not match if
LANGUAGE is set to a non-English locale. Bug #1025.
* The "starttime" test now passed when run under Debian faketime.
Bug #1026.
* The Kerberos authentication module now honors the custom password
prompt if one has been specified.
* The embedded copy of zlib has been updated to version 1.2.12.
* Updated the version of libtool used by sudo to version 2.4.7.
* Sudo now defines _TIME_BITS to 64 on systems that define __TIMESIZE
in the header files (currently only GNU libc). This is required
to allow the use of 64-bit time values on some 32-bit systems.
* Sudo's "intercept" and "log_subcmds" options no longer force the
command to run in its own pseudo-terminal. It is now also
possible to intercept the system(3) function.
* Fixed a bug in sudo_logsrvd when run in store-first relay mode
where the commit point messages sent by the server were incorrect
if the command was suspended or received a window size change
event.
* Fixed a potential crash in sudo_logsrvd when the "tls_dhparams"
configuration setting was used.
* The "intercept" and "log_subcmds" functionality can now use
ptrace(2) on Linux systems that support seccomp(2) filtering.
This has the advantage of working for both static and dynamic
binaries and can work with sudo's SELinux RBAC mode. The following
architectures are currently supported: i386, x86_64, aarch64,
arm, mips (log_subcmds only), powerpc, riscv, and s390x. The
default is to use ptrace(2) where possible; the new "intercept_type"
sudoers setting can be used to explicitly set the type.
* New Georgian translation from translationproject.org.
* Fixed creating packages on CentOS Stream.
* Fixed a bug in the intercept and log_subcmds support where
the execve(2) wrapper was using the current environment instead
of the passed environment pointer. Bug #1030.
* Added AppArmor integration for Linux. A sudoers rule can now
specify an APPARMOR_PROFILE option to run a command confined by
the named AppArmor profile.
* Fixed parsing of the "server_log" setting in sudo_logsrvd.conf.
Non-paths were being treated as paths and an actual path was
treated as an error.
What's new in Sudo 1.9.10
* Added new "log_passwords" and "passprompt_regex" sudoers options.
If "log_passwords" is disabled, sudo will attempt to prevent passwords
from being logged. If sudo detects any of the regular expressions in
the "passprompt_regex" list in the terminal output, sudo will log '*'
characters instead of the terminal input until a newline or carriage
return is found in the input or an output character is received.
* Added new "log_passwords" and "passprompt_regex" settings to
sudo_logsrvd that operate like the sudoers options when logging
terminal input.
* Fixed several few bugs in the cvtsudoers utility when merging
multiple sudoers sources.
* Fixed a bug in sudo_logsrvd when parsing the sudo_logsrvd.conf
file, where the "retry_interval" in the [relay] section was not
being recognized.
* Restored the pre-1.9.9 behavior of not performing authentication
when sudo's -n option is specified. A new "noninteractive_auth"
sudoers option has been added to enable PAM authentication in
non-interactive mode. GitHub issue #131.
* On systems with /proc, if the /proc/self/stat (Linux) or
/proc/pid/psinfo (other systems) file is missing or invalid,
sudo will now check file descriptors 0-2 to determine the user's
terminal. Bug #1020.
* Fixed a compilation problem on Debian kFreeBSD. Bug #1021.
* Fixed a crash in sudo_logsrvd when running in relay mode if
an alert message is received.
* Fixed an issue that resulting in "problem with defaults entries"
email to be sent if a user ran sudo when the sudoers entry in
the nsswitch.conf file includes "sss" but no sudo provider is
configured in /etc/sssd/sssd.conf. Bug #1022.
* Updated the warning displayed when the invoking user is not
allowed to run sudo. If sudo has been configured to send mail
on failed attempts (see the mail_* flags in sudoers), it will
now print "This incident has been reported to the administrator."
If the "mailto" or "mailerpath" sudoers settings are disabled,
the message will not be printed and no mail will be sent.
GitHub issue #48.
* Fixed a bug where the user-specified command timeout was not
being honored if the sudoers rule did not also specify a timeout.
* Added support for using POSIX extended regular expressions in
sudoers rules. A command and/or arguments in sudoers are treated
as a regular expression if they start with a '^' character and
end with a '$'. The command and arguments are matched separately,
either one (or both) may be a regular expression.
Bug #578, GitHub issue #15.
* A user may now only run "sudo -U otheruser -l" if they have a
"sudo ALL" privilege where the RunAs user contains either "root"
or "otheruser". Previously, having "sudo ALL" was sufficient,
regardless of the RunAs user. GitHub issue #134.
* The sudo lecture is now displayed immediately before the password
prompt. As a result, sudo will no longer display the lecture
unless the user needs to enter a password. Authentication methods
that don't interact with the user via a terminal do not trigger
the lecture.
* Sudo now uses its own closefrom() emulation on Linux systems.
The glibc version may not work in a chroot jail where /proc is
not available. If close_range(2) is present, it will be used
in preference to /proc/self/fd.
What's new in Sudo 1.9.9
* Sudo can now be built with OpenSSL 3.0 without generating warnings
about deprecated OpenSSL APIs.
* A digest can now be specified along with the "ALL" command in
the LDAP and SSSD back-ends. Sudo 1.9.0 introduced support for
this in the sudoers file but did not include corresponding changes
for the other back-ends.
* visudo now only warns about an undefined alias or a cycle in an
alias once for each alias.
* The sudoRole cn was truncated by a single character in warning messages.
GitHub issue #115.
* The cvtsudoers utility has new --group-file and --passwd-file options
to use a custom passwd or group file when the --match-local option is
also used.
* The cvtsudoers utility can now filter or match based on a command.
* The cvtsudoers utility can now produce output in csv (comma-separated
value) format. This can be used to help generate entitlement reports.
* Fixed a bug in sudo_logsrvd that could result in the connection being
dropped for very long command lines.
* Fixed a bug where sudo_logsrvd would not accept a restore point
of zero.
* Fixed a bug in visudo where the value of the "editor" setting was not
used if it did not match the user's EDITOR environment variable.
This was only a problem if the "env_editor" setting was not enabled.
Bug #1000.
* Sudo now builds with the -fcf-protection compiler option and the
"-z now" linker option if supported.
* The output of "sudoreplay -l" now more closely matches the
traditional sudo log format.
* The sudo_sendlog utility will now use the full contents of the log.json
file, if present. This makes it possible to send sudo-format I/O logs
that use the newer log.json format to sudo_logsrvd without losing any
information.
* Fixed compilation of the arc4random_buf() replacement on systems with
arc4random() but no arc4random_buf(). Bug #1008.
* Sudo now uses its own getentropy() by default on Linux. The GNU libc
version of getentropy() will fail on older kernels that don't support
the getrandom() system call.
* It is now possible to build sudo with WolfSSL's OpenSSL compatibility
layer by using the --enable-wolfssl configure option.
* Fixed a bug related to Daylight Saving Time when parsing timestamps
in Generalized Time format. This affected the NOTBEFORE and
NOTAFTER options in sudoers. Bug #1006
* Added the -O and -P options to visudo, which can be used to check
or set the owner and permissions. This can be used in conjunction
with the -c option to check that the sudoers file ownership and
permissions are correct. Bug #1007.
* It is now possible to set resource limits in the sudoers file itself.
The special values "default" and "user" refer to the default system
limit and invoking user limit respectively. The core dump size limit
is now set to 0 by default unless overridden by the sudoers file.
* The cvtsudoers utility can now merge multiple sudoers sources into
a single, combined sudoers file. If there are conflicting entries,
cvtsudoers will attempt to resolve them but manual intervention
may be required. The merging of sudoers rules is currently fairly
simplistic but will be improved in a future release.
* Sudo was parsing but not applying the "deref" and "tls_reqcert"
ldap.conf settings. This meant the options were effectively
ignored which broke dereferencing of aliases in LDAP. Bug #1013.
* Clarified in the sudo man page that the security policy may
override the user's PATH environment variable. Bug #1014.
* When sudo is run in non-interactive mode (with the -n option), it
will now attempt PAM authentication and only exit with an error
if user interaction is required. This allows PAM modules that
don't interact with the user to succeed. Previously, sudo
would not attempt authentication if the -n option was specified.
Bug #956 and GitHub issue #83.
* Fixed a regression introduced in version 1.9.1 when sudo is
built with the --with-fqdn configure option. The local host
name was being resolved before the sudoers file was processed,
making it impossible to disable DNS lookups by negating the
"fqdn" sudoers option. Bug #1016.
* Added support for negated sudoUser attributes in the LDAP and
SSSD sudoers back ends. A matching sudoUser that is negated
will cause the sudoRole containing it to be ignored.
* Fixed a bug where the stack resource limit could be set to a
value smaller than that of the invoking user and not be reset
before the command was run. Bug #1017.
What's new in Sudo 1.9.8p2
* Fixed a potential out-of-bounds read with "sudo -i" when the
target user's shell is bash. This is a regression introduced
in sudo 1.9.8. Bug #998.
* sudo_logsrvd now only sends a log ID for first command of a session.
There is no need to send the log ID for each sub-command.
* Fixed a few minor memory leaks in intercept mode.
* Fixed a problem with sudo_logsrvd in relay mode if "store_first"
was enabled when handling sub-commands. A new zero-length journal
file was created for each sub-command instead of simply using
the existing journal file.
* Fixed a bug where sudoedit would fail if one of the directories
in the path to be edited had the immutable flag set (BSD, Linux
or macOS). GitHub issue #122.
What's new in Sudo 1.9.8p1
* Fixed support for passing a prompt (sudo -p) or a login class
(sudo -c) on the command line. This is a regression introduced
in sudo 1.9.8. Bug #993.
* Fixed a crash with "sudo ALL" rules in the LDAP and SSSD back-ends.
This is a regression introduced in sudo 1.9.8. Bug #994.
* Fixed a compilation error when the --enable-static-sudoers configure
option was specified. This is a regression introduced in sudo
1.9.8 caused by a symbol clash with the intercept and log server
protobuf functions.
What's new in Sudo 1.9.8
* It is now possible to transparently intercepting sub-commands
executed by the original command run via sudo. Intercept support
is implemented using LD_PRELOAD (or the equivalent supported by
the system) and so has some limitations. The two main limitations
are that only dynamic executables are supported and only the
execl, execle, execlp, execv, execve, execvp, and execvpe library
functions are currently intercepted. Its main use case is to
support restricting privileged shells run via sudo.
To support this, there is a new "intercept" Defaults setting and
an INTERCEPT command tag that can be used in sudoers. For example: