Jenkins Sidebar Link Plugin 2.2.1 and earlier does not restrict the path of files in a method implementing form validation, allowing attackers with Overall/Read permission to check for the existence of an attacker-specified file path on the Jenkins controller file system.
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
Link | Tags |
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https://www.jenkins.io/security/advisory/2023-05-16/#SECURITY-3125 | vendor advisory |