ADVISORIES

• CVE-2023-51774 (NVD)
• GHSA-c8v6-786g-vjx6
• Vendor Advisory

GEM

json-jwt

PATCHED VERSIONS

• ~> 1.15.3, >= 1.15.3.1
• >= 1.16.6

DESCRIPTION

The json-jwt (aka JSON::JWT) gem versions 1.16.5 and below sometimes allows bypass of identity checks via a sign/encryption confusion attack. For example, JWE can sometimes be used to bypass JSON::JWT.decode.

RELATED

• https://nvd.nist.gov/vuln/detail/CVE-2023-51774
• https://github.com/P3ngu1nW/CVE_Request/blob/main/novjson-jwt.md
• https://github.com/advisories/GHSA-c8v6-786g-vjx6