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Vulnerability DatabaseCVE-2022-2889
CVE-2022-2889:
NixOS vulnerability analysis and mitigation
Overview
CVE-2022-2889 is a Use-After-Free vulnerability discovered in the Vim text editor affecting versions prior to 9.0.0225. The vulnerability was identified in the GitHub repository vim/vim and was disclosed in August 2022 (NVD, Huntr).
Technical details
The vulnerability is classified as a Use-After-Free (CWE-416) issue with a CVSS v3.1 base score of 7.8 (HIGH). The attack vector is local (AV:L) with low attack complexity (AC:L), requiring no privileges (PR:N) but user interaction (UI:R). The scope is unchanged (S:U) with high impacts on confidentiality, integrity, and availability (C:H/I:H/A:H) (NVD).
Impact
If successfully exploited, this vulnerability could allow an attacker to cause a denial of service, crash the application, or potentially execute arbitrary code when a user opens a specially crafted file (Gentoo Security).
Mitigation and workarounds
The vulnerability has been patched in Vim version 9.0.0225. Users are advised to upgrade to this version or later. The fix involves modifying how memory is handled, specifically addressing the timing of when eval_tofree is freed (GitHub Patch).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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