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Camaleon CMS vulnerable to Uncaught Exception

Moderate severity GitHub Reviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Mar 6, 2023

Package

bundler camaleon_cms (RubyGems)

Affected versions

>= 2.0.1, < 2.6.0.1

Patched versions

2.6.0.1

Description

In Camaleon CMS, versions 2.0.1 through 2.6.0 are vulnerable to an Uncaught Exception. The app's media upload feature crashes permanently when an attacker with a low privileged access uploads a specially crafted .svg file.

References

Published by the National Vulnerability Database Oct 20, 2021
Published to the GitHub Advisory Database May 24, 2022
Reviewed Jan 24, 2023
Last updated Mar 6, 2023

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS score

0.076%
(34th percentile)

Weaknesses

CVE ID

CVE-2021-25971

GHSA ID

GHSA-r2w2-h6r8-3r53

Source code

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