UNIX symbolic link following in Pipeline: Groovy - CVE-2022-25176
Published: February 16, 2022
Vulnerability identifier: #VU60634
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-2022-25176
CWE-ID: CWE-61
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Jenkins
Affected software:
Pipeline: Groovy
Pipeline: Groovy
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 follows symbolic links to locations outside of the checkout directory for the configured SCM when reading the script file (typically Jenkinsfile) for Pipelines. A remote user can create a specially crafted symbolic link to a critical file on the system and gain access to sensitive information.
How to mitigate CVE-2022-25176
Install updates from vendor's website.