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Vulnerability DatabaseCVE-2022-32200
CVE-2022-32200:
NixOS vulnerability analysis and mitigation
Overview
CVE-2022-32200 is a security vulnerability discovered in libdwarf version 0.4.0, specifically affecting the dwarfcheckstringvalid function in dwarf_util.c. The vulnerability was disclosed on June 1, 2022, and involves a heap-based buffer over-read issue (CVE Mitre, Debian Security).
Technical details
The vulnerability is characterized as a heap-based buffer over-read in the dwarfcheckstringvalid function located in dwarf_util.c. The issue occurs when processing string validation operations in libdwarf 0.4.0. The vulnerability has been assigned a CVSS v3 Base Score of 7.8, indicating a high severity level (AttackerKB).
Impact
When exploited, this vulnerability could lead to a heap buffer overflow, potentially causing application crashes or allowing unauthorized access to heap memory contents. This could result in information disclosure or denial of service conditions (Debian Security).
Mitigation and workarounds
The vulnerability has been fixed in libdwarf version 0.4.1. The fix is implemented through a commit that addresses the heap-based buffer over-read issue. Users are recommended to upgrade to the fixed version (Github Commit).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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