Incorrect default permissions in Jenkins and Jenkins LTS - CVE-2023-43496
Published: September 21, 2023
Vulnerability identifier: #VU80937
CSH Severity: Low
CVSSv4.0: 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
Vulnerable software:
Jenkins
Jenkins LTS
Jenkins
Jenkins LTS
Software vendor:
Jenkins
Jenkins
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.
Remediation
Install updates from vendor's website.