Advisory Details

November 30th, 2021

Open Design Alliance (ODA) ODAViewer DXF File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability

ZDI-21-1361
ZDI-CAN-14282

CVE ID CVE-2021-43391
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 ODAViewer
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Open Design Alliance (ODA) ODAViewer. 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 DXF files. Crafted data in a DXF file can trigger a read past the end of an allocated 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
  • 2021-07-07 - Vulnerability reported to vendor
  • 2021-11-30 - Coordinated public release of advisory
CREDIT xina1i
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