Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-39912
CVE-2021-39912:
GitLab vulnerability analysis and mitigation
Overview
A potential Denial of Service (DoS) vulnerability was discovered in GitLab CE/EE starting with version 13.7. The vulnerability, identified as CVE-2021-39912, allowed attackers to trigger memory exhaustion using malformed TIFF images. The issue was disclosed and patched in GitLab's security release on October 28, 2021 (GitLab Release).
Technical details
The vulnerability was classified as a medium severity issue with a CVSS score of 5.3 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L). The technical issue involved the improper handling of malformed TIFF images, which could be exploited to cause memory exhaustion in the system (GitLab Release).
Impact
When successfully exploited, this vulnerability could lead to a Denial of Service condition through memory exhaustion, potentially affecting the availability of the GitLab instance (CVE Mitre).
Mitigation and workarounds
The vulnerability was addressed in GitLab versions 14.4.1, 14.3.4, and 14.2.6. Users were strongly recommended to upgrade their GitLab installations to one of these versions immediately to mitigate the risk (GitLab Release).
Additional resources
Source: This report was generated using AI
Related GitLab vulnerabilities:
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