Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2023-6803
CVE-2023-6803:
GitHub Enterprise Server vulnerability analysis and mitigation
Overview
A race condition in GitHub Enterprise Server allows an outside collaborator to be added while a repository is being transferred. This vulnerability affected all versions of GitHub Enterprise Server since 3.8 and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1 (NVD, GitHub Release Notes).
Technical details
The vulnerability is classified as a Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367). According to the CVSS 3.1 scoring, it received a base score of 4.0 MEDIUM from NVD with vector AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N, while GitHub assessed it at 5.8 MEDIUM with vector AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L (NVD).
Impact
The vulnerability allows unauthorized modification of repository access permissions during repository transfers, potentially granting unintended access to outside collaborators (NVD).
Mitigation and workarounds
The vulnerability has been fixed in GitHub Enterprise Server versions 3.8.12, 3.9.7, 3.10.4, and 3.11.1. Users should upgrade to these or later versions to mitigate the vulnerability (GitHub Release Notes).
Additional resources
Source: This report was generated using AI
Related GitHub Enterprise Server vulnerabilities:
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