PT-2021-10680 · Gnu · Gnu Libredwg

Linhlhq · Published 2021-05-17 · Updated 2021-05-21 · CVE-2020-21834

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: GNU LibreDWG version 0.10

Description: A null pointer dereference issue exists in GNU LibreDWG. This issue is related to the get bmp function in the dwgbmp.c file.

Recommendations: For GNU LibreDWG version 0.10, consider avoiding the use of the get bmp function until a patch is available. As a temporary workaround, review the code in dwgbmp.c to identify and mitigate potential null pointer dereferences. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2020-21834

Affected Products

Gnu Libredwg

References · 4

• 🔥 https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574492468 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-21834 · Security Note
• https://osv.dev/vulnerability/CVE-2020-21834 · Vendor Advisory
• http://gnu.com · Note