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Vulnerability DatabaseCVE-2020-21834

CVE-2020-21834: 
NixOS vulnerability analysis and mitigation

Overview

A null pointer deference issue exists in GNU LibreDWG 0.10 via get_bmp ../../programs/dwgbmp.c:164. The vulnerability was discovered and disclosed in May 2021 and affects the GNU LibreDWG software (NVD, Debian Tracker).

Technical details

The vulnerability has been assigned a CVSS v3.1 Base Score of 6.5 (MEDIUM) with vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. The issue is classified as a NULL Pointer Dereference (CWE-476) vulnerability. The vulnerability affects the get_bmp function in the dwgbmp.c file at line 164 (NVD).

Impact

If successfully exploited, this vulnerability can result in a denial of service condition through application crash. The vulnerability affects availability but does not impact confidentiality or integrity of the system (NVD).

Mitigation and workarounds

Users should upgrade to a version newer than GNU LibreDWG 0.10. The vulnerability has been fixed in subsequent releases (NVD).

Additional resources

Source: This report was generated using AI

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