PT-2021-23795 · Open Design Alliance · Open Design Alliance Drawings Sdk

Mat Powell · Published 2021-11-10 · Updated 2021-11-17 · CVE-2021-43275

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Open Design Alliance Drawings SDK versions prior to 2022.8

Description A Use After Free vulnerability exists in the DGN file reading procedure. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.

Recommendations For versions prior to 2022.8, update to version 2022.8 or later to resolve the issue. As a temporary workaround, consider restricting the use of DGN file parsing functionality until a patch is available. Avoid using the vulnerable DGN file reading procedure in the affected SDK until the issue is resolved.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2021-43275

ZDI-21-1284

Affected Products

Open Design Alliance Drawings Sdk

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-43275 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-1284 · Security Note
• https://osv.dev/vulnerability/CVE-2021-43275 · Vendor Advisory
• https://opendesign.com/security-advisories · Vendor Advisory
• https://t.me/cibsecurity/32384 · Telegram Post
• https://t.me/cvenotify/23399 · Telegram Post