CVE-2021-21695

Published: Nov 4, 2021Modified: Nov 21, 2024

8.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: NVD

Description

FilePath#listFiles lists files outside directories that agents are allowed to access when following symbolic links in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

Affected (2)

Products: Jenkins: Jenkins

Jenkins

1 product

Jenkins

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Jenkins Jenkins	Before 2.319
Jenkins Jenkins	Before 2.303.3

Related CWEs

CWE-59

Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

References (4)

http://www.openwall.com/lists/oss-security/2021/11/04/3

Source: jenkinsci-cert@googlegroups.com

Mailing ListThird Party Advisory

https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455

Source: jenkinsci-cert@googlegroups.com

Vendor Advisory

http://www.openwall.com/lists/oss-security/2021/11/04/3

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.