PT-2021-16447 · Open Design Alliance · Open Design Alliance Drawings Sdk

Rgod · Published 2021-01-18 · Updated 2022-04-08 · CVE-2021-25176

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 2021.11

Description: An issue exists when rendering malformed .DXF and .DWG files, allowing attackers to cause a crash, potentially enabling a denial of service attack. This is due to a NULL pointer dereference.

Recommendations: For versions prior to 2021.11, update to version 2021.11 or later to resolve the issue. As a temporary workaround, consider restricting the rendering of .DXF and .DWG files to minimize the risk of exploitation. Avoid using the software to render untrusted or malformed files until the issue is resolved.

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2021-25176

ZDI-21-221

ZDI-21-222

Affected Products

Open Design Alliance Drawings Sdk

References · 9

• https://zerodayinitiative.com/advisories/ZDI-21-222 · Security Note
• https://osv.dev/vulnerability/CVE-2021-25176 · Vendor Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdf · Patch
• https://zerodayinitiative.com/advisories/ZDI-21-221 · Security Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-25176 · Security Note
• https://opendesign.com/security-advisories · Vendor Advisory
• https://t.me/cibsecurity/22238 · Telegram Post
• https://t.me/cvenotify/8650 · Telegram Post