Advisory Details

February 9th, 2023

Open Design Alliance (ODA) Drawing SDK DWG File Parsing Use-After-Free Remote Code Execution Vulnerability

ZDI-23-212
ZDI-CAN-19165

CVE ID CVE-2021-43336
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS Open Design Alliance (ODA)
AFFECTED PRODUCTS Drawing SDK
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Open Design Alliance (ODA) Drawing SDK. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of DWG files. 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.

ADDITIONAL DETAILS

https://www.opendesign.com/security-advisories 


DISCLOSURE TIMELINE
  • 2022-10-18 - Vulnerability reported to vendor
  • 2023-02-09 - Coordinated public release of advisory
  • 2023-03-06 - Advisory Updated
CREDIT Mat Powell & Jimmy Calderon (@vectors2final) of Trend Micro Zero Day Initiative
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