漏洞信息
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Vulnerability Title
Authlib JWS JWK Header Injection: Signature Verification Bypass
Vulnerability Description
Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.9, a JWK Header Injection vulnerability in authlib's JWS implementation allows an unauthenticated attacker to forge arbitrary JWT tokens that pass signature verification. When key=None is passed to any JWS deserialization function, the library extracts and uses the cryptographic key embedded in the attacker-controlled JWT jwk header field. An attacker can sign a token with their own private key, embed the matching public key in the header, and have the server accept the forged token as cryptographically valid — bypassing authentication and authorization entirely. This issue has been patched in version 1.6.9.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Vulnerability Type
密码学签名的验证不恰当
Vulnerability Title
Authlib 数据伪造问题漏洞
Vulnerability Description
Authlib是Authlib开源的一个构建 OAuth 和 OpenID Connect 服务器的终极 Python 库。 Authlib 1.6.9之前版本存在数据伪造问题漏洞，该漏洞源于JWS实现中存在JWK标头注入，可能导致未经身份验证的攻击者伪造通过签名验证的任意JWT令牌。
CVSS Information
N/A
Vulnerability Type
N/A