CVE-2021-22205

• CVE-2021-22205

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** 描述 - CVE-2021-22205 的 POC：Gitlab CE/EE RCE 未授权远程代码执行漏洞 POC && EXP - 由 antx 于 2021-10-29 创建。

** 细节 - GitLab CE/EE 自 11.9 版本起的所有版本均发现此问题。GitLab 未能正确验证传递给文件解析器的图像文件，从而导致远程命令执行。

** CVE 严重性 - attackComplexity: LOW - attackVector: NETWORK - availabilityImpact: HIGH - confidentialityImpact: HIGH - integrityImpact: HIGH - privilegesRequired: NONE - scope: CHANGED - userInteraction: NONE - version: 3.1 - baseScore: 10 - baseSeverity: CRITICAL

** 影响版本 - Gitlab CE/EE < 13.10.3 - Gitlab CE/EE < 13.9.6 - Gitlab CE/EE < 13.8.8

** POC - [[./CVE-2021-22205.py][Python-Poc]]

** 参考 - POC - [[https://github.com/mr-r3bot/Gitlab-CVE-2021-22205][mr-r3bot/Gitlab-CVE-2021-22205]] - [[https://github.com/RedTeamWing/CVE-2021-22205][RedTeamWing/CVE-2021-22205]] - [[https://github.com/r0eXpeR/CVE-2021-22205][r0eXpeR/CVE-2021-22205]] - 文章 - [[https://about.gitlab.com/releases/2021/04/14/security-release-gitlab-13-10-3-released/][Gitlab-Security-Release]] - [[https://www.freebuf.com/news/303441.html][高危漏洞曝光半年之久，超一半的GitLab 服务器仍未修复]] - CVE - [[https://github.com/CVEProject/cvelist/blob/master/2021/22xxx/CVE-2021-22205.json][CVE-2021-22205]]