CVE-2020-10976
GitLab vulnerability analysis and mitigation

Overview

GitLab Enterprise Edition (EE) and Community Edition (CE) versions 8.17 to 12.9 were found to be vulnerable to information leakage when querying a merge request widget. The vulnerability was discovered and reported by @xanbanx, and was officially disclosed on March 26, 2020 (GitLab Release).

Technical details

The vulnerability allowed unauthorized access to the last status of a restricted pipeline through a query in the merge request widget. The severity of this vulnerability has been assessed with multiple CVSS scores: CVSS v3.1 rated it as 5.5 (MEDIUM) and CVSS v2.0 rated it as 2.1 (LOW) (NVD).

Impact

The vulnerability resulted in information disclosure where unauthorized users could access restricted pipeline status information through the merge request widget interface (GitLab Release).

Mitigation and workarounds

The vulnerability was addressed in GitLab versions 12.9.1, 12.8.8, and 12.7.8. GitLab strongly recommended that all installations running affected versions be upgraded to the latest version immediately to mitigate this security issue (GitLab Release).

Additional resources


SourceThis report was generated using AI

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