Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-39579
CVE-2021-39579:
NixOS vulnerability analysis and mitigation
Overview
An issue was discovered in swftools through 20200710. A heap-buffer-overflow exists in the function string_hash() located in q.c. It allows an attacker to cause code Execution (NVD, CISA).
Technical details
The vulnerability is a heap-based buffer overflow that occurs in the string_hash() function in q.c at line 727. The issue manifests when processing certain input files, specifically when handling ABC data during SWF file parsing. The vulnerability has been assigned a CVSS v3.1 base score of 7.8 (HIGH) with vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (NVD).
Impact
A successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected system. The vulnerability affects the confidentiality, integrity, and availability of the system with high severity ratings for each (NVD).
Mitigation and workarounds
No official patches or mitigations have been publicly announced for this vulnerability. Users are advised to exercise caution when processing untrusted SWF files with affected versions of swftools (NVD).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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