漏洞信息
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Vulnerability Title
PyJWT: PyJWKClient unbounded JWKS endpoint requests via attacker-controlled kid values (DoS)
Vulnerability Description
PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, PyJWKClient.get_signing_key() forces a fresh HTTP request to the JWKS endpoint for every JWT with an unknown kid value, with no rate limiting. Since kid comes from the unverified token header, an attacker can trigger unlimited outbound requests. The vulnerability surfaces only when a JWKS fetch fails; an attacker can attempt to provoke that with sustained unknown-kid traffic, but the outcome depends on upstream JWKS-endpoint behavior (rate limiting, transient errors) which is beyond the attacker's control. This vulnerability is fixed in 2.13.0.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Vulnerability Type
抛出异常的清理不恰当
Vulnerability Title
pyjwt 安全漏洞
Vulnerability Description
pyjwt是美国José Padilla个人开发者的一个 Python 库。允许对 JSON Web 令牌(JWT)进行编码和解码。 pyjwt 2.13.0之前版本存在安全漏洞,该漏洞源于PyJWKClient.get_signing_key()对每个具有未知kid值的JWT强制向JWKS端点发起新的HTTP请求,且无速率限制,导致攻击者可以触发无限制的出站请求。
CVSS Information
N/A
Vulnerability Type
N/A