cve/2024/CVE-2024-21664.md

CVE-2024-21664

Description

jwx is a Go module implementing various JWx (JWA/JWE/JWK/JWS/JWT, otherwise known as JOSE) technologies. Calling jws.Parse with a JSON serialized payload where the signature field is present while protected is absent can lead to a nil pointer dereference. The vulnerability can be used to crash/DOS a system doing JWS verification. This vulnerability has been patched in versions 2.0.19 and 1.2.28.

POC

Reference

• https://github.com/lestrrat-go/jwx/security/advisories/GHSA-pvcr-v8j8-j5q3
• https://github.com/lestrrat-go/jwx/security/advisories/GHSA-pvcr-v8j8-j5q3

Github

• https://github.com/fkie-cad/nvd-json-data-feeds