PT-2021-17827 · Libredwg · Libredwg

Zodf0055980 · Published 2021-12-02 · Updated 2021-12-06 · CVE-2021-28236

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: LibreDWG version 0.12.3

Description: The issue is related to a NULL pointer dereference in the out dxfb.c file. This indicates a problem where the software attempts to access memory through a pointer that has a null or invalid value, which can lead to crashes or potentially allow an attacker to execute arbitrary code.

Recommendations: For LibreDWG version 0.12.3, 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-2021-28236

Affected Products

Libredwg

References · 5

• 🔥 https://github.com/LibreDWG/libredwg/issues/324 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-28236 · Security Note
• https://osv.dev/vulnerability/CVE-2021-28236 · Vendor Advisory
• https://t.me/cvenotify/24288 · Telegram Post
• https://t.me/cibsecurity/33292 · Telegram Post