Allocation of Resources Without Limits or Throttling in Jenkins and Jenkins LTS - CVE-2023-27900
Published: March 9, 2023
Vulnerability identifier: #VU73193
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-27900
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to Apache Commons FileUpload does not limit the number of request parts within the MultipartFormDataParser. A remote user can initiate a series of uploads and perform a denial of service (DoS) attack.
Affected software
Jenkins
Jenkins LTS
jenkins (Red Hat package)
jenkins-2-plugins (Red Hat package)
Jenkins LTS
jenkins (Red Hat package)
jenkins-2-plugins (Red Hat package)
How to mitigate CVE-2023-27900
Install updates from vendor's website.
Jenkins - update to 2.394
Jenkins LTS - addressed in versions 2.375.4, 2.387.1
jenkins (Red Hat package) - update to 2.387.3.1684911776-3.el8
jenkins-2-plugins (Red Hat package) - update to 4.13.1684911916-1.el8
Jenkins LTS - addressed in versions 2.375.4, 2.387.1
jenkins (Red Hat package) - update to 2.387.3.1684911776-3.el8
jenkins-2-plugins (Red Hat package) - update to 4.13.1684911916-1.el8