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Vulnerability DatabaseCVE-2022-0696
CVE-2022-0696:
NixOS vulnerability analysis and mitigation
Overview
A NULL pointer dereference vulnerability was discovered in the Vim text editor prior to version 8.2.4428. The vulnerability was identified in February 2022 and assigned identifier CVE-2022-0696. The issue affects the find_ucmd() function in the usercmd.c file of the Vim repository (Huntr, GitHub Commit).
Technical details
The vulnerability occurs when switching tabpage while in the cmdline window, which can lead to a NULL pointer dereference. The issue was addressed by disallowing switching tabpage when in the cmdline window. The fix was implemented in version 8.2.4428 through a patch that modified the behavior of tabpage switching functionality (GitHub Commit).
Impact
When exploited, this vulnerability can cause unexpected application termination through a NULL pointer dereference, resulting in a denial of service condition (Debian Security).
Mitigation and workarounds
The recommended mitigation is to upgrade Vim to version 8.2.4428 or later which contains the fix for this vulnerability. Multiple Linux distributions have released security updates to address this issue, including Debian with version 2:8.1.0875-5+deb10u4 (Debian LTS).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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