Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-29134
CVE-2021-29134:
NixOS vulnerability analysis and mitigation
Overview
The vulnerability (CVE-2021-29134) affects the avatar middleware in Gitea versions before 1.13.6, allowing Directory Traversal attacks through crafted URLs. The issue was discovered and disclosed in March 2021, with a fix released in version 1.13.6 (Gitea Release).
Technical details
The vulnerability is classified with a CVSS v3.1 Base Score of 5.3 MEDIUM (Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N). The issue stems from improper handling of URL paths in the avatar middleware component, which could allow attackers to traverse directories through specially crafted URLs (NVD Results).
Impact
The directory traversal vulnerability could allow attackers to access files outside of the intended directory structure, potentially exposing sensitive information on the affected Gitea installations (CVE Mitre).
Mitigation and workarounds
The recommended mitigation is to upgrade Gitea installations to version 1.13.6 or later, which contains the security fix for this vulnerability. The fix was implemented through changes to the avatar middleware's path handling mechanism (Gitea Release).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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