PT-2021-19505 · Open Design Alliance · Open Design Alliance Drawings Sdk

Izobashi + 1 · Published 2021-04-26 · Updated 2022-04-15 · CVE-2021-31784

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 2021.6

Description The issue is related to an out-of-bounds write vulnerability in the file-reading procedure. This can lead to a crash, potentially causing a denial of service attack, or possibly enabling code execution.

Recommendations For versions prior to 2021.6, update to version 2021.6 or later to resolve the issue. As a temporary workaround, consider restricting the use of the file-reading procedure in the Drawings SDK until a patch is available. Avoid processing untrusted DXF files with the affected SDK to minimize the risk of exploitation.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-31784

ZDI-21-485

Affected Products

Open Design Alliance Drawings Sdk

References · 5

• https://zerodayinitiative.com/advisories/ZDI-21-485 · Security Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf · Patch
• https://osv.dev/vulnerability/CVE-2021-31784 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-31784 · Security Note
• https://opendesign.com/security-advisories · Vendor Advisory