CVE-2024-40598
NixOS vulnerability analysis and mitigation

Overview

An issue was discovered in the CheckUser extension for MediaWiki through 1.42.1. The API can expose suppressed information for log events because the log_deleted attribute is not applied to entries (NVD).

Technical details

The vulnerability is tracked as CVE-2024-40598 and affects the CheckUser extension in MediaWiki versions up to and including 1.42.1. The core issue lies in the API's handling of log events where the log_deleted attribute is not properly applied to entries, leading to potential exposure of suppressed information. The vulnerability has been assigned a CVSS v3.1 Base Score of 4.3 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N (NVD).

Impact

The vulnerability allows unauthorized access to suppressed information in log events through the API. This could lead to the exposure of sensitive or deliberately hidden information that was intended to be restricted (NVD).

Mitigation and workarounds

Users should upgrade to a patched version of the MediaWiki CheckUser extension when available. As this is a recently discovered vulnerability (published on July 6, 2024), specific patch information may still be pending (NVD).

Additional resources


SourceThis report was generated using AI

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