CVE-2022-1099
GitLab vulnerability analysis and mitigation

Overview

Adding a very large number of tags to a runner in GitLab CE/EE affecting all versions prior to 14.7.7, 14.8 prior to 14.8.5, and 14.9 prior to 14.9.2 allows an attacker to impact the performance of GitLab. The vulnerability was discovered internally by the GitLab team and was assigned CVE-2022-1099 (GitLab Release).

Technical details

This is a medium severity issue with a CVSS score of 4.3 (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L). The vulnerability stems from the absence of a limit for the number of tags that can be added to a runner, which could potentially be exploited to cause performance degradation in GitLab instances (GitLab Release).

Impact

The exploitation of this vulnerability could result in performance degradation of GitLab instances, potentially affecting system availability and responsiveness (GitLab Release).

Mitigation and workarounds

The vulnerability has been fixed in GitLab versions 14.7.7, 14.8.5, and 14.9.2. Users are strongly recommended to upgrade their GitLab installations to one of these patched versions immediately (GitLab Release).

Additional resources


SourceThis report was generated using AI

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