Advisory Details

February 9th, 2023

Open Design Alliance (ODA) Drawing SDK DGN File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-23-130
ZDI-CAN-19148

CVE ID CVE-2021-32946
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 DGN files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. 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
CREDIT Mat Powell & Jimmy Calderon (@vectors2final) of Trend Micro Zero Day Initiative
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