UNIX symbolic link following in Pipeline: Shared Groovy Libraries - CVE-2022-25178
Published: February 16, 2022
Vulnerability identifier: #VU60638
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-25178
CWE-ID: CWE-61
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Jenkins
Affected software:
Pipeline: Shared Groovy Libraries
Pipeline: Shared Groovy Libraries
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to sensitive information on the system.
The vulnerability exists due to the affected plugin does not restrict the names of resources passed to the "libraryResource" step. A remote user can create a specially crafted symbolic link to a critical file on the system and read arbitrary files on the Jenkins controller file system.
How to mitigate CVE-2022-25178
Install updates from vendor's website.