CVE-2026-52754 漏洞深度分析

漏洞概述

CVE 编号: CVE-2026-52754
CVSS 评分: 8.7(HIGH)
CVSS 向量: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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-347
漏洞状态: Analyzed
发布时间: 2026-06-10T14:16:35.603
最后更新: 2026-07-14T22:17:13.870

漏洞描述

Ghidra before 12.1 contains an authentication bypass vulnerability in PKIAuthenticationModule.authenticate() that allows any user with a valid CA-signed certificate to impersonate other users by presenting their public certificate with a null signature. Attackers can escalate privileges, modify repository access controls, exfiltrate shared reverse engineering databases, and permanently compromise server integrity.

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/NationalSecurityAgency/ghidra/commit/78729379e471bbb3d969409be6a8c3d24af84220
  2. https://github.com/NationalSecurityAgency/ghidra/commit/79d8f164f8bb8b15cfb60c5d4faeb8e1c25d15ca
  3. https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-5wxq-7qpv-65p2
  4. https://www.vulncheck.com/advisories/ghidra-authentication-bypass-via-null-signature-in-pkiauthenticationmodule