CVE-2026-45063 漏洞深度分析

漏洞概述

CVE 编号: CVE-2026-45063
CVSS 评分: 9.1(CRITICAL)
CVSS 向量: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE 分类: CWE-290
漏洞状态: Undergoing Analysis
发布时间: 2026-07-14T19:17:05.620
最后更新: 2026-07-14T20:25:54.190

漏洞描述

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, X509Authenticator extracts the user identifier from $_SERVER['SSL_CLIENT_S_DN'] with an unanchored regex that matches emailAddress= anywhere in the distinguished name, allowing an attacker with a trusted certificate containing emailAddress=victim inside another RDN value such as CN to authenticate as the victim. This issue is fixed in versions 5.4.52, 6.4.40, 7.4.12, and 8.0.12.

影响分析

此漏洞的具体影响取决于实际利用场景。"

修复建议

  1. 及时关注厂商发布的安全更新和补丁
  2. 升级受影响组件到最新版本
  3. 如无法立即升级,参考厂商提供的临时缓解措施
  4. 加强网络访问控制和监控

参考链接

  1. https://github.com/symfony/symfony/commit/59ef484029601a7af06f5e06c6ed921fdcea5a0d
  2. https://github.com/symfony/symfony/releases/tag/v5.4.52
  3. https://github.com/symfony/symfony/releases/tag/v6.4.40
  4. https://github.com/symfony/symfony/releases/tag/v7.4.12
  5. https://github.com/symfony/symfony/releases/tag/v8.0.12