CVE-2018-19572

Severity: medium (CVSS 5.9 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-07-10 · updated 2026-06-17
Weakness: CWE-362

Description

GitLab CE 8.17 and later and EE 8.3 and later have a symlink time-of-check-to-time-of-use race condition that would allow unauthorized access to files in the GitLab Pages chroot environment. This is fixed in versions 11.5.1, 11.4.8, and 11.3.11.

Affected products

GitLab: from 8.3.0 before 11.3.11; from 8.17.0 before 11.3.11; from 11.3.12 before 11.4.8; from 11.4.9 before 11.5.1 — fixed in 11.3.11, 11.4.8, 11.5.1

How to fix

Upgrade to a fixed version: GitLab 11.3.11, 11.4.8, 11.5.1. Check the vendor advisory for mitigations.

References

https://about.gitlab.com/2018/11/28/security-release-gitlab-11-dot-5-dot-1-released/
https://gitlab.com/gitlab-org/gitlab-pages/issues/98
https://about.gitlab.com/2018/11/28/security-release-gitlab-11-dot-5-dot-1-released/
https://gitlab.com/gitlab-org/gitlab-pages/issues/98

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