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Vulnerability DatabaseCVE-2021-45330

CVE-2021-45330: 
NixOS vulnerability analysis and mitigation

Overview

A critical security vulnerability (CVE-2021-45330) was discovered in Gitea versions through 1.15.7. The vulnerability allows malicious users to gain unauthorized privileges due to improper session management, where client-side cookies remain active and sessions stay valid on the server side for potential reuse (NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 Base Score of 9.8 (CRITICAL) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, and a CVSS v2.0 Base Score of 7.5 (HIGH). The weakness is categorized under CWE-459 (Incomplete Cleanup), indicating issues with proper session termination (NVD).

Impact

The vulnerability could allow attackers to gain unauthorized privileges by exploiting persistent session states, potentially leading to complete system compromise with high impacts on confidentiality, integrity, and availability of the affected system (NVD).

Mitigation and workarounds

Users should upgrade to a version newer than Gitea 1.15.7 to address this vulnerability. The issue is related to an existing problem tracked in the Gitea repository regarding logout functionality and cookie management (GitHub Issue).

Additional resources

Source: This report was generated using AI

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