PT-2021-16445 · Open Design Alliance · Open Design Alliance Drawings Sdk

Rgod · Published 2021-01-18 · Updated 2022-04-08 · CVE-2021-25173

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 2021.12

Description: An issue exists when reading malformed DGN files, which allows attackers to cause a crash, potentially enabling denial of service. This is due to a memory allocation with excessive size vulnerability.

Recommendations: For versions prior to 2021.12, update to version 2021.12 or later to resolve the issue. As a temporary workaround, consider restricting the processing of DGN files from untrusted sources until a patch is applied.

Fix

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CVE-2021-25173

ZDI-21-225

Affected Products

Open Design Alliance Drawings Sdk

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2021-25173 · Security Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdf · Patch
• https://osv.dev/vulnerability/CVE-2021-25173 · Vendor Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf · Patch
• https://zerodayinitiative.com/advisories/ZDI-21-225 · Security Note
• https://opendesign.com/security-advisories · Vendor Advisory
• https://t.me/cibsecurity/22241 · Telegram Post
• https://t.me/cvenotify/8649 · Telegram Post