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Vulnerability DatabaseCVE-2022-0392
CVE-2022-0392:
NixOS vulnerability analysis and mitigation
Overview
A heap-based buffer overflow vulnerability was discovered in Vim prior to version 8.2. The vulnerability (CVE-2022-0392) was identified on January 27, 2022, and affects the bracketed paste functionality when used in Ex mode (Vim Commit, NVD).
Technical details
The vulnerability occurs due to illegal memory access with bracketed paste in Ex mode. The issue stems from insufficient space reservation for the trailing NUL character when processing pasted content. This was fixed by modifying the code to properly account for the additional byte needed for the NUL terminator (Vim Commit).
Impact
The heap-based buffer overflow could potentially lead to arbitrary code execution, memory corruption, or application crashes when processing maliciously crafted input in Ex mode (Debian LTS).
Mitigation and workarounds
The vulnerability was patched in Vim version 8.2.4218. Users are advised to upgrade to this version or later. Multiple distributions have released security updates including Debian, Ubuntu, and Apple macOS that address this vulnerability (Debian LTS, Apple Security).
Additional resources
Source: This report was generated using AI
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