Vulnerability Information
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Vulnerability Title
OAuth2-Proxy has authentication bypass in oauth2-proxy skip_auth_routes due to Query Parameter inclusion
Vulnerability Description
OAuth2-Proxy is an open-source tool that can act as either a standalone reverse proxy or a middleware component integrated into existing reverse proxy or load balancer setups. In versions 7.10.0 and below, oauth2-proxy deployments are vulnerable when using the skip_auth_routes configuration option with regex patterns. Attackers can bypass authentication by crafting URLs with query parameters that satisfy configured regex patterns, allowing unauthorized access to protected resources. The issue stems from skip_auth_routes matching against the full request URI. Deployments using skip_auth_routes with regex patterns containing wildcards or broad matching patterns are most at risk. This issue is fixed in version 7.11.0. Workarounds include: auditing all skip_auth_routes configurations for overly permissive patterns, replacing wildcard patterns with exact path matches where possible, ensuring regex patterns are properly anchored (starting with ^ and ending with $), or implementing custom validation that strips query parameters before regex matching.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Vulnerability Type
使用欺骗进行的认证绕过
Vulnerability Title
OAuth2-Proxy 安全漏洞
Vulnerability Description
oauth2-proxy是OAuth2 Proxy开源的一个反向代理软件。 OAuth2-Proxy 7.10.0及之前版本存在安全漏洞，该漏洞源于skip_auth_routes配置选项使用正则表达式时可能绕过身份验证。
CVSS Information
N/A
Vulnerability Type
N/A