Jenkins Configuration as Code Plugin 1.55 and earlier used a non-constant time comparison function when validating an authentication token allowing attackers to use statistical methods to obtain a valid authentication token.
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.
| Link | Tags |
|---|---|
| https://www.jenkins.io/security/advisory/2022-01-12/#SECURITY-2141 | vendor advisory |
| http://www.openwall.com/lists/oss-security/2022/01/12/6 | third party advisory mailing list |