漏洞信息
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Vulnerability Title
Denial of service when manipulating mod_auth_openidc_session_chunks cookie in mod_auth_openidc
Vulnerability Description
mod_auth_openidc is an OpenID Certified™ authentication and authorization module for the Apache 2.x HTTP server that implements the OpenID Connect Relying Party functionality. In affected versions missing input validation on mod_auth_openidc_session_chunks cookie value makes the server vulnerable to a denial of service (DoS) attack. An internal security audit has been conducted and the reviewers found that if they manipulated the value of the mod_auth_openidc_session_chunks cookie to a very large integer, like 99999999, the server struggles with the request for a long time and finally gets back with a 500 error. Making a few requests of this kind caused our server to become unresponsive. Attackers can craft requests that would make the server work very hard (and possibly become unresponsive) and/or crash with minimal effort. This issue has been addressed in version 2.4.15.2. Users are advised to upgrade. There are no known workarounds for this vulnerability.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Vulnerability Title
mod_auth_openidc 安全漏洞
Vulnerability Description
mod_auth_openidc是一个应用软件。是 Apache 2.x HTTP 服务器的身份验证/授权模块,用作OpenID Connect 依赖方,根据 OpenID Connect 提供程序对用户进行身份验证。 mod_auth_openidc 2.0.0至2.4.15.1版本存在安全漏洞,该漏洞源于缺少对Cookie值mod_auth_openidc_session_chunks的输入验证,导致存在拒绝服务漏洞。
CVSS Information
N/A
Vulnerability Type
N/A