Advisory Details

November 29th, 2021

Open Design Alliance (ODA) Drawings Explorer DWF File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-21-1343
ZDI-CAN-14670

CVE ID CVE-2021-43280
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 DWF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. 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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