PT-2021-10672 · Gnu · Gnu Libredwg

Linhlhq · Published 2021-05-17 · Updated 2021-05-21 · CVE-2020-21817

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 0.10.2641

Description: A null pointer dereference issue exists, which causes a denial of service, resulting in an application crash. The issue is related to the htmlescape function in the escape.c file.

Recommendations: For GNU LibreDWG version 0.10.2641, consider applying a patch to fix the null pointer dereference issue in the htmlescape function to prevent application crashes. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2020-21817

Affected Products

Gnu Libredwg

References · 4

• 🔥 https://github.com/LibreDWG/libredwg/issues/182#issue-547887727 · Exploit
• https://osv.dev/vulnerability/CVE-2020-21817 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-21817 · Security Note
• http://gnu.com · Note