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Vulnerability DatabaseCVE-2022-2817
CVE-2022-2817:
NixOS vulnerability analysis and mitigation
Overview
CVE-2022-2817 is a Use-After-Free vulnerability discovered in the Vim text editor, affecting versions prior to 9.0.0213. The vulnerability specifically occurs in the string_quote() function within the src/strings.c file (CVE Details, Vim Commit).
Technical details
The vulnerability manifests as a heap use-after-free condition when handling memory operations in the string_quote() function. The issue was addressed in version 9.0.0213 through a patch that implements proper memory handling by making a copy of the error message before processing (Vim Commit).
Impact
If exploited, this vulnerability could cause Vim to crash or potentially lead to arbitrary code execution if a user is tricked into opening a specially crafted file (Broadcom Support).
Mitigation and workarounds
Users are advised to upgrade to Vim version 9.0.0213 or later. Various Linux distributions have released patches to address this vulnerability. For Fedora users, the fix is available in vim-9.0.213-1.fc35. Ubuntu users should update to version 2:8.2.3995-1ubuntu2.11 (Fedora Update).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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