Incorrect default permissions in Jenkins and Jenkins LTS - CVE-2023-43498
Published: September 21, 2023
Vulnerability identifier: #VU80942
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-43498
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 compromise the target 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 within the Jenkins API "MultipartFormDataParser". A local user can read and write the file before it is used.
Remediation
Install updates from vendor's website.