Incorrect default permissions in Jenkins and Jenkins LTS - CVE-2023-43496

 

Incorrect default permissions in Jenkins and Jenkins LTS - CVE-2023-43496

Published: September 21, 2023


Vulnerability identifier: #VU80937
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-43496
CWE-ID: CWE-276
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Jenkins
Affected software:
Jenkins
Jenkins LTS

Detailed vulnerability description

The vulnerability allows a local user to execute arbitrary code on the system.

The vulnerability exists due to the affected plugin creates the temporary file in the system temporary directory with the default permissions for newly created files. A local user can view contents of files and directories and execute arbitrary code on the target system.


How to mitigate CVE-2023-43496

Install updates from vendor's website.

Sources