ArchLinux: 202103-13: gitlab: arbitrary code execution
Summary
An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.2 allowing unauthorized authenticated users to execute arbitrary code on the server.
Resolution
Upgrade to 13.9.4-1.
# pacman -Syu "gitlab>=13.9.4-1"
The problem has been fixed upstream in version 13.9.4.
References
https://about.gitlab.com/releases/2021/03/17/security-release-gitlab-13-9-4-released/#remote-code-execution-via-unsafe-user-controlled-markdown-rendering-options https://hackerone.com/reports/1125425 https://gitlab.com/gitlab-org/gitlab/-/issues/324452 https://gitlab.com/gitlab-org/gitlab/-/commit/179329b5c3c118924fb242dc449d06b4ed6ccb66 https://security.archlinux.org/CVE-2021-22192
Workaround
None.