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Vulnerability DatabaseCVE-2022-3971

CVE-2022-3971: 
JavaScript vulnerability analysis and mitigation

Overview

A critical vulnerability (CVE-2022-3971) was discovered in matrix-appservice-irc versions up to 0.35.1. The vulnerability was related to SQL injection through roomId values when checking room visibility. This security issue affected the Matrix IRC bridge software, which is used to connect Matrix and IRC networks (NVD).

Technical details

The vulnerability was identified as a SQL injection risk in the room visibility checking functionality. The issue specifically occurred in the getRoomsVisibility function where roomId values were directly interpolated into SQL queries without proper parameterization. The vulnerability received a CVSS v3.1 score of 9.8 (CRITICAL) (NVD).

Impact

While classified as critical, this was characterized as a low-risk SQL injection vulnerability. To exploit this vulnerability, an attacker would need to be able to set malicious Matrix IDs in the room mappings (GitHub PR).

Mitigation and workarounds

The vulnerability was fixed in version 0.36.0 released on October 25, 2022. The fix involved properly parameterizing SQL queries when checking room visibility, preventing the SQL injection vector. The solution implemented prepared statements instead of direct string interpolation for SQL queries (Matrix Release).

Additional resources

Source: This report was generated using AI

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