CVE-2023-32216
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-32216 is a high-severity memory safety vulnerability discovered in Firefox 112. The vulnerability was disclosed on May 9, 2023, and affects Firefox versions prior to 113. Mozilla developers and community members, including Ronald Crane, Andrew McCreight, Randell Jesup, and the Mozilla Fuzzing Team, identified multiple memory safety bugs that showed evidence of memory corruption (Mozilla Advisory).

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. The technical assessment indicates that these memory safety bugs demonstrated evidence of memory corruption, which could potentially be exploited to execute arbitrary code. The vulnerability is classified as CWE-787 (Out-of-bounds Write) (NVD).

Impact

The vulnerability could potentially allow attackers to execute arbitrary code on affected systems if successfully exploited. Given the critical CVSS score and the nature of memory corruption issues, successful exploitation could lead to complete system compromise, affecting the confidentiality, integrity, and availability of the targeted system (NVD).

Mitigation and workarounds

The vulnerability has been fixed in Firefox version 113. Users and administrators are strongly advised to upgrade to Firefox 113 or later to mitigate this security risk. The fix was also included in subsequent security updates for various Linux distributions, including Ubuntu and Gentoo (Gentoo Advisory).

Additional resources


SourceThis report was generated using AI

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