PT-2022-11627 · Dwgread · Dwgread

Rurban · Published 2022-05-23 · Updated 2022-05-30 · CVE-2021-42586

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions dwgread versions prior to 0.12.4

Description A heap buffer overflow was discovered in the copy bytes function in decode r2007.c via a crafted dwg file.

Recommendations For versions prior to 0.12.4, update to version 0.12.4 or later to resolve the issue. As a temporary workaround, consider restricting the use of crafted dwg files until a patch is applied.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-42586

Affected Products

Dwgread

References · 5

• 🔥 https://github.com/LibreDWG/libredwg/issues/350 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-42586 · Security Note
• https://osv.dev/vulnerability/CVE-2021-42586 · Vendor Advisory
• https://t.me/cibsecurity/43154 · Telegram Post
• https://t.me/cvenotify/30572 · Telegram Post