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Vulnerability DatabaseCVE-2023-5441
CVE-2023-5441:
NixOS vulnerability analysis and mitigation
Overview
A NULL pointer dereference vulnerability (CVE-2023-5441) was discovered in the Vim editor prior to version 9.0.1992. The vulnerability affects the exmode functionality in the Vim/vim repository (VIM Commit, NVD).
Technical details
The vulnerability is classified as a NULL Pointer Dereference (CWE-476) with a CVSS v3.1 base score of 5.5 (Medium). 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 no impact on confidentiality or integrity, but high impact on availability (C:N/I:N/A:H) (NVD).
Impact
The vulnerability can cause a segmentation fault in exmode when redrawing, potentially leading to a denial of service condition through application crash (VIM Commit).
Mitigation and workarounds
The vulnerability has been fixed in Vim version 9.0.1992 by skipping guiscroll when exmodeactive. Users are advised to upgrade to this version or later. The fix has been incorporated into various Linux distributions including Fedora 37, 38, and 39 through their respective security updates (Fedora Updates).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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