libjwt 1.15.3 uses strcmp (which is not constant time) to verify authentication, which makes it easier to bypass authentication via a timing side channel.
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://github.com/P3ngu1nW/CVE_Request/blob/main/benmcollins%3Alibjwt.md | third party advisory exploit |
https://lists.debian.org/debian-lts-announce/2024/02/msg00009.html | mailing list |