#VU60643 UNIX symbolic link following in Pipeline: Multibranch - CVE-2022-25179

Vulnerability identifier: #VU60643

Vulnerability risk: Medium

CVSSv4.0: 4.9 [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-2022-25179

CWE-ID: CWE-61

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Pipeline: Multibranch
Web applications / Modules and components for CMS

Vendor: Jenkins

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 files using the readTrusted step. A remote user can configure Pipelines permission to read arbitrary files on the Jenkins controller file system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Pipeline: Multibranch: 706.vd43c65dec013

---

External links
https://jenkins.io/security/advisory/2022-02-15/

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.