Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2020-21819
CVE-2020-21819:
NixOS vulnerability analysis and mitigation
Overview
A heap-based buffer overflow vulnerability exists in GNU LibreDWG version 0.10.2641 affecting the htmlescape function located in programs/escape.c at line 51. The vulnerability was discovered and reported through security research efforts (NVD).
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 issue is classified as CWE-787 (Out-of-bounds Write) and affects the htmlescape functionality in the programs/escape.c file (NVD).
Impact
If successfully exploited, this vulnerability could lead to denial of service, code execution, and potential system compromise. The high CVSS score indicates severe potential impacts on confidentiality, integrity, and availability of the affected system (NVD).
Exploitability
The vulnerability requires network access and user interaction for exploitation. The attack complexity is considered low, and no privileges are required to execute the attack, making it relatively straightible to exploit (NVD, LibreDWG Issue).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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