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Vulnerability DatabaseCVE-2020-21814
CVE-2020-21814:
NixOS vulnerability analysis and mitigation
Overview
A heap based buffer overflow issue exists in GNU LibreDWG 0.10.2641 via htmlwescape ../../programs/escape.c:97. The vulnerability was discovered in 2020 and affects the GNU LibreDWG software package (NVD).
Technical details
The vulnerability has been assigned a CVSS v3.1 Base Score of 8.8 HIGH with vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The issue is classified as an Out-of-bounds Write (CWE-787) vulnerability that occurs in the htmlwescape function located in programs/escape.c at line 97 (NVD).
Impact
If successfully exploited, this vulnerability could allow an attacker to achieve high impacts on confidentiality, integrity, and availability of the affected system through heap-based buffer overflow (NVD).
Exploitability
The vulnerability requires network access and user interaction to exploit. Proof of concept exploit code has been published demonstrating the NULL pointer dereference capability (GitHub Issue).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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