漏洞信息
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Vulnerability Title
Apereo CAS 7.3.0 < 8.0.0-RC6 - AES-GCM Nonce Reuse Information Disclosure
Vulnerability Description
Apereo CAS 7.3.0 before 8.0.0-RC6 contains a cryptographic vulnerability that allows remote unauthenticated attackers to recover plaintext conversation state by exploiting AES-GCM initialization vector reuse across the server lifetime. Attackers can collect multiple client-side webflow execution tokens from the unauthenticated login page and perform known-plaintext analysis to decrypt the webflow conversation state due to keystream reuse caused by a fixed all-zero IV paired with the same encryption key.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Vulnerability Type
在加密中重用Nonce与密钥对
Vulnerability Title
Apereo Central Authentication Service 加密问题漏洞
Vulnerability Description
Apereo central authentication service是Apereo组织开源的一款单点登录认证服务系统。 Apereo Central Authentication Service 7.3.0版本至8.0.0-RC6之前版本存在加密问题漏洞,该漏洞源于AES-GCM初始化向量重用,可能导致远程未经身份验证的攻击者恢复明文会话状态。
CVSS Information
N/A
Vulnerability Type
N/A