The CMS_verify function in OpenSSL 0.9.8h through 0.9.8j, when CMS is enabled, does not properly handle errors associated with malformed signed attributes, which allows remote attackers to repudiate a signature that originally appeared to be valid but was actually invalid.

References

• https://nvd.nist.gov/vuln/detail/CVE-2009-0591
• https://exchange.xforce.ibmcloud.com/vulnerabilities/49432
• https://kb.bluecoat.com/index?page=content&id=SA50
• http://lists.apple.com/archives/security-announce/2009/Sep/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html
• http://marc.info/?l=bugtraq&m=124464882609472&w=2
• http://marc.info/?l=bugtraq&m=127678688104458&w=2
• http://secunia.com/advisories/34411
• http://secunia.com/advisories/34460
• http://secunia.com/advisories/34666
• http://secunia.com/advisories/35065
• http://secunia.com/advisories/35380
• http://secunia.com/advisories/35729
• http://secunia.com/advisories/36701
• http://secunia.com/advisories/42724
• http://secunia.com/advisories/42733
• http://securitytracker.com/id?1021907
• http://sourceforge.net/project/shownotes.php?release_id=671059&group_id=116847
• http://support.apple.com/kb/HT3865
• http://voodoo-circle.sourceforge.net/sa/sa-20090326-01.html
• http://www.openssl.org/news/secadv_20090325.txt
• http://www.osvdb.org/52865
• http://www.php.net/archive/2009.php#id2009-04-08-1
• http://www.securityfocus.com/bid/34256
• http://www.vupen.com/english/advisories/2009/0850
• http://www.vupen.com/english/advisories/2009/1020
• http://www.vupen.com/english/advisories/2009/1175
• http://www.vupen.com/english/advisories/2009/1548