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Vulnerability DatabaseCVE-2020-21830
CVE-2020-21830:
NixOS vulnerability analysis and mitigation
Overview
A heap-based buffer overflow vulnerability exists in GNU LibreDWG version 0.10 via bitcalcCRC function located in ../../src/bits.c:2213. The vulnerability was assigned identifier CVE-2020-21830 and was published on May 17, 2021 (NVD, Debian Tracker).
Technical details
The vulnerability 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). The issue affects the bitcalcCRC functionality in the bits.c file (NVD).
Impact
A successful exploitation of this vulnerability could lead to high impacts on confidentiality, integrity, and availability of the affected system. The high CVSS score indicates that the vulnerability could potentially allow attackers to execute arbitrary code, cause denial of service, or gain unauthorized access to sensitive information (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 project's issue system (GitHub Issue).
Additional resources
Source: This report was generated using AI
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