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CVE-2025-64484— OAuth2-Proxy 安全漏洞

一分钟漏洞结论

影响对象
oauth2-proxy oauth2-proxy
利用判断
存在公开或 AI PoC,应优先验证
建议动作
优先检查厂商安全公告和参考链接中的修复版本;无法立即升级时,限制受影响服务暴露并加强监测。

oauth2-proxy是OAuth2 Proxy开源的一个反向代理软件。 OAuth2-Proxy 7.13.0之前版本存在安全漏洞,该漏洞源于HTTP标头处理不当,可能导致权限提升。

CVSS 8.5 · High EPSS 0.62% · P48

可能的 ATT&CK 技术 1 AI

T1133 · External Remote Services
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一、 漏洞 CVE-2025-64484 基础信息

漏洞信息

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Vulnerability Title
OAuth2-Proxy vulnerable to header smuggling via underscore, leading to potential privilege escalation
来源: CVE Program / CVE List V5
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 prior to 7.13.0, all deployments of OAuth2 Proxy in front of applications that normalize underscores to dashes in HTTP headers (e.g., WSGI-based frameworks such as Django, Flask, FastAPI, and PHP applications). Authenticated users can inject underscore variants of X-Forwarded-* headers that bypass the proxy’s filtering logic, potentially escalating privileges in the upstream app. OAuth2 Proxy authentication/authorization itself is not compromised. The problem has been patched with v7.13.0. By default all specified headers will now be normalized, meaning that both capitalization and the use of underscores (_) versus dashes (-) will be ignored when matching headers to be stripped. For example, both `X-Forwarded-For` and `X_Forwarded-for` will now be treated as equivalent and stripped away. For those who have a rational that requires keeping a similar looking header and not stripping it, the maintainers introduced a new configuration field for Headers managed through the AlphaConfig called `InsecureSkipHeaderNormalization`. As a workaround, ensure filtering and processing logic in upstream services don't treat underscores and hyphens in Headers the same way.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
对HTTP头部进行脚本语法转义处理不恰当
来源: CVE Program / CVE List V5
Vulnerability Title
OAuth2-Proxy 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
oauth2-proxy是OAuth2 Proxy开源的一个反向代理软件。 OAuth2-Proxy 7.13.0之前版本存在安全漏洞,该漏洞源于HTTP标头处理不当,可能导致权限提升。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
oauth2-proxy oauth2-proxy < 7.13.0 -

二、漏洞 CVE-2025-64484 的公开POC

# POC 描述 源链接 神龙链接
1 CVE-2025-64484 https://github.com/B1ack4sh/Blackash-CVE-2025-64484 POC详情
2 CVE-2025-64484 https://github.com/Ashwesker/Blackash-CVE-2025-64484 POC详情
3 CVE-2025-64484 https://github.com/Ashwesker/Ashwesker-CVE-2025-64484 POC详情
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三、漏洞 CVE-2025-64484 的情报信息

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CVE-2025-64484 厂商安全公告 (1)

CVE-2025-64484 其他参考 (1)

IV. Related Vulnerabilities

V. Comments for CVE-2025-64484

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