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Vulnerability DatabaseCVE-2021-39582
CVE-2021-39582:
NixOS vulnerability analysis and mitigation
Overview
A heap-buffer-overflow vulnerability was discovered in swftools through version 20200710. The vulnerability exists in the function swf_GetPlaceObject() located in swfobject.c. This issue was assigned CVE-2021-39582 and was disclosed on September 20, 2021 (NVD).
Technical details
The vulnerability is a heap-buffer-overflow that occurs in the swf_GetPlaceObject() function at line 195 of swfobject.c. The issue was identified using AddressSanitizer, which detected a READ operation of size 1 at an invalid memory address. The vulnerability received 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, GitHub Issue).
Impact
The vulnerability allows an attacker to cause code execution on the affected system. Given the CVSS score and vector, successful exploitation could lead to high impacts on confidentiality, integrity, and availability of the system when a user interacts with malicious input (NVD).
Mitigation and workarounds
Users should upgrade to a version newer than swftools 20200710. No specific workarounds have been publicly documented (NVD).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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