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Vulnerability DatabaseCVE-2022-3256

CVE-2022-3256: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2022-3256 is a Use-After-Free vulnerability discovered in the Vim text editor affecting versions prior to 9.0.0530. The vulnerability was identified in the movemark() function at mark.c in the GitHub repository vim/vim (VIM Commit, NVD).

Technical details

The vulnerability is classified as a Use-After-Free (CWE-416) issue with a CVSS v3.1 base score of 7.8 (HIGH). The attack vector is Local (AV:L), with Low attack complexity (AC:L), requiring No privileges (PR:N) and User interaction (UI:R). The scope is Unchanged (S:U), with High impact on Confidentiality, Integrity, and Availability (C:H/I:H/A:H) (NVD).

Impact

If exploited, this vulnerability could lead to program crashes, memory corruption, and potentially allow attackers to execute arbitrary code when a user opens a specially crafted file. The high CVSS score indicates severe potential consequences if successfully exploited (Debian LTS).

Mitigation and workarounds

The vulnerability has been fixed in Vim version 9.0.0530 and later. Users are strongly advised to upgrade to the patched version. Multiple Linux distributions have released security updates, including Fedora, Debian, and Gentoo (Gentoo Security, Debian LTS).

Additional resources

Source: This report was generated using AI

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