Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2020-21841
CVE-2020-21841:
NixOS vulnerability analysis and mitigation
Overview
A heap-based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via bitreadB in ../../src/bits.c:135. The vulnerability is tracked as CVE-2020-21841 and affects the GNU LibreDWG software package (NVD, Debian Tracker).
Technical details
The vulnerability is a heap-based buffer overflow that occurs in the bitreadB function located in the bits.c file at line 135. The issue has been assigned a CVSS v3.1 Base Score of 8.8 HIGH with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The vulnerability is classified as CWE-787 (Out-of-bounds Write) (NVD).
Impact
The vulnerability could allow an attacker to cause a heap-based buffer overflow, potentially leading to arbitrary code execution, information disclosure, or system crashes. The high CVSS score indicates severe potential impacts on confidentiality, integrity, and availability of the affected system (NVD).
Mitigation and workarounds
Users should upgrade to a version newer than GNU LibreDWG 0.10. The vulnerability has been reported and tracked in the Debian security tracker (Debian Tracker).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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