A missing permission check in Jenkins Build Failure Analyzer Plugin 1.24.1 and earlier allows attackers with Overall/Read permission to have Jenkins evaluate a computationally expensive regular expression.
During installation, installed file permissions are set to allow anyone to modify those files.
Link | Tags |
---|---|
https://jenkins.io/security/advisory/2019-12-17/#SECURITY-1651 | vendor advisory |
http://www.openwall.com/lists/oss-security/2019/12/17/1 | third party advisory mailing list |