Incorrect default permissions in Jenkins and Jenkins LTS - CVE-2023-43498
Published: September 21, 2023
Vulnerability identifier: #VU80942
CSH Severity: Low
CVSS v4: 2 [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]
CVE-ID: CVE-2023-43498
CWE-ID: CWE-276
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Jenkins
Jenkins LTS
IBM Automation Decision Services
IBM Cloud Pak for Business Automation
Jenkins LTS
IBM Automation Decision Services
IBM Cloud Pak for Business Automation
How to mitigate CVE-2023-43498
Install updates from vendor's website.
Jenkins - update to 2.424
Jenkins LTS - update to 2.414.2
IBM Automation Decision Services - update to 23.0.1 IF005
IBM Cloud Pak for Business Automation - addressed in versions 21.0.3.27, 23.0.1.5
Jenkins LTS - update to 2.414.2
IBM Automation Decision Services - update to 23.0.1 IF005
IBM Cloud Pak for Business Automation - addressed in versions 21.0.3.27, 23.0.1.5