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Vulnerability DatabaseCVE-2022-1898
CVE-2022-1898:
NixOS vulnerability analysis and mitigation
Overview
CVE-2022-1898 is a use-after-free vulnerability discovered in the Vim text editor affecting versions prior to 8.2. The vulnerability was identified in the findpatternin_path() function in search.c and was disclosed in May 2022 (Debian LTS, Fedora).
Technical details
The vulnerability occurs when using the ']d' command in Vim, where a use-after-free condition arises in the findpatternin_path() function within search.c. The issue was fixed in patch 8.2.5024 by implementing a solution that copies the pattern before searching, preventing the use of freed memory (Vim Commit).
Impact
If successfully exploited, this vulnerability could lead to denial-of-service (application crash) or potentially allow arbitrary code execution when opening specially crafted files (Debian LTS).
Mitigation and workarounds
The vulnerability has been patched in Vim version 8.2.5024. Users are advised to upgrade to this version or later. Multiple distributions have released security updates, including Debian (2:8.0.0197-4+deb9u7), Ubuntu, and Fedora (8.2.5046-1) (Debian LTS, Fedora).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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