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Vulnerability DatabaseCVE-2022-2819
CVE-2022-2819:
NixOS vulnerability analysis and mitigation
Overview
A heap-based buffer overflow vulnerability (CVE-2022-2819) was discovered in Vim prior to version 9.0.0211. The vulnerability was identified in the compile_lock_unlock() function within the src/vim9cmds.c file (Vim Commit, CVE Mitre). The issue was discovered and reported on August 15, 2022.
Technical details
The vulnerability occurs due to illegal memory access when compiling the :lockvar command, which could lead to a heap buffer overflow. The issue specifically manifests when the code attempts to read past the end of a line during the compilation of the lockvar command (Red Hat CVE).
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
The vulnerability was fixed in Vim version 9.0.0211. Users are advised to upgrade to this version or later. For specific distributions, the following versions contain the fix: Debian Bookworm (2:9.0.1378-2+deb12u2), Fedora 35 (vim-9.0.213-1.fc35), and Ubuntu users should upgrade 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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