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Vulnerability DatabaseCVE-2021-32294
CVE-2021-32294:
NixOS vulnerability analysis and mitigation
Overview
A heap-buffer-overflow vulnerability was discovered in libgig through 20200507. The vulnerability is tracked as CVE-2021-32294 and affects the RIFF::List::GetSubList function in RIFF.cpp at line 1151 (GitHub Issue).
Technical details
The vulnerability is a heap-buffer-overflow that occurs when reading 4 bytes beyond an allocated 80-byte region at address 0x60700000de40. The issue manifests in the RIFF::List::GetSubList function when processing certain files. The vulnerability was discovered using AddressSanitizer, which detected the buffer overflow during execution of the gigextract tool (GitHub Issue).
Impact
The heap-buffer-overflow vulnerability could potentially lead to code execution or information disclosure when processing malformed input files. The issue affects the library's ability to safely handle certain file formats.
Mitigation and workarounds
The vulnerability affects multiple versions of libgig through 20200507. The issue remains vulnerable in various Debian distributions including bullseye, bookworm, trixie, and sid (Debian Tracker).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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