Cloud Vulnerability DB
An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues
Vulnerability DatabaseCVE-2023-3917
CVE-2023-3917:
GitLab vulnerability analysis and mitigation
Overview
A Denial of Service vulnerability (CVE-2023-3917) was discovered in GitLab CE and EE affecting all versions prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1. The vulnerability was disclosed on September 28, 2023, and allows attackers to cause pipelines to fail (GitLab Release, NVD).
Technical details
The vulnerability allows attackers to force pipelines to not have access to protected variables, which subsequently causes the pipelines to fail. The issue has been assigned a CVSS v3.1 base score of 7.5 (HIGH) by NVD with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, while GitLab assessed it as MEDIUM severity with a score of 4.3 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L) (NVD).
Impact
The vulnerability impacts pipeline operations by preventing access to protected variables, which can lead to pipeline failures. This creates a denial of service condition affecting the continuous integration/continuous deployment (CI/CD) processes in GitLab installations (GitLab Release).
Mitigation and workarounds
The vulnerability has been patched in GitLab versions 16.2.8, 16.3.5, and 16.4.1. Organizations are strongly recommended to upgrade to one of these versions immediately to mitigate the risk (GitLab Release).
Additional resources
Source: This report was generated using AI
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