漏洞信息
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Vulnerability Title
WWBN AVideo Brute-force Rate Limiting Bypass via Missing User-Agent
Vulnerability Description
WWBN AVideo (current e01e41ecc and earlier) contains a brute-force rate limiting bypass in enforceRateLimit(), which protects login.json.php and 13 other endpoints. The function stores its attempt counter via a cache layer (ObjectYPT::setCacheGlobal) that silently discards writes for any client identified as a bot by isBot(). Because isBot() treats a missing User-Agent header as a bot by default — and also matches common bot identifiers such as 'curl', 'bot', 'crawler', and 'spider' — the counter never increments for such clients, so the rate limit never fires. An unauthenticated attacker can therefore submit unlimited login attempts (e.g., by omitting the User-Agent header or using curl's default User-Agent), enabling unrestricted password-guessing attacks.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Vulnerability Type
过多认证尝试的限制不恰当
Vulnerability Title
WWBN AVideo 授权问题漏洞
Vulnerability Description
WWBN AVideo是WWBN组织开源的一个视频分享与内容管理平台。 WWBN AVideo e01e41ecc及之前版本存在授权问题漏洞,该漏洞源于enforceRateLimit()函数未对缺少User-Agent头或使用常见机器人标识的客户端递增尝试计数器,导致速率限制可被绕过,未认证攻击者能够无限制地提交登录尝试,进行暴力破解密码猜测攻击。
CVSS Information
N/A
Vulnerability Type
N/A