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Vulnerability DatabaseCVE-2023-32643

CVE-2023-32643: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-32643 is a heap buffer overflow vulnerability discovered in GLib's GVariant deserialization code. This vulnerability was introduced as a result of the fix for CVE-2023-32665. The issue specifically affects GLib distributors who followed the guidance to backport the initial fix for CVE-2023-32665, though it does not affect any released version of GLib prior to version 2.75.1 (NVD).

Technical details

The vulnerability is classified as a heap-based buffer overflow (CWE-122) and out-of-bounds write (CWE-787) issue. According to the CVSS 3.1 scoring, it has received a base score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The vulnerability requires local access and user interaction to be exploited (NVD).

Impact

Successful exploitation of this vulnerability could lead to disclosure of sensitive information, addition or modification of data, or Denial of Service (DoS). The vulnerability affects the confidentiality, integrity, and availability of the system with high severity (NetApp Advisory).

Mitigation and workarounds

No direct workarounds have been publicly documented for this vulnerability. The recommended approach is to upgrade to a version of GLib that contains the fix. Organizations should carefully evaluate any patches, as the original fix for the related CVE-2023-32665 introduced this vulnerability (Security Tracker).

Additional resources

Source: This report was generated using AI

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