CVEs-PoC/2017/CVE-2017-12974.md

CVE-2017-12974

Description

Nimbus JOSE+JWT before 4.36 proceeds with ECKey construction without ensuring that the public x and y coordinates are on the specified curve, which allows attackers to conduct an Invalid Curve Attack in environments where the JCE provider lacks the applicable curve validation.

POC

Reference

• https://bitbucket.org/connect2id/nimbus-jose-jwt/commits/f3a7a801f0c6b078899fed9226368eb7b44e2b2f
• https://bitbucket.org/connect2id/nimbus-jose-jwt/issues/217/explicit-check-for-ec-public-key-on-curve
• https://bitbucket.org/connect2id/nimbus-jose-jwt/src/master/CHANGELOG.txt

Github

No PoCs found on GitHub currently.