Advisory Details

November 29th, 2021

Open Design Alliance (ODA) Drawings Explorer DWFX File Parsing Use-After-Free Remote Code Execution Vulnerability

ZDI-21-1346
ZDI-CAN-14725

CVE ID CVE-2021-44047
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 Drawings Explorer
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Open Design Alliance (ODA) Drawings Explorer. 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 DWFX 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 Open Design Alliance (ODA) has issued an update to correct this vulnerability. More details can be found at:
https://www.opendesign.com/security-advisories
DISCLOSURE TIMELINE
  • 2021-07-30 - Vulnerability reported to vendor
  • 2021-11-29 - Coordinated public release of advisory
CREDIT Mat Powell of Trend Micro Zero Day Initiative
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