Advisory Details

October 14th, 2020

Microsoft 3D Viewer FBX File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability

ZDI-20-1246
ZDI-CAN-11032

CVE ID CVE-2020-17003
CVSS SCORE 5.3, (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS 3D Viewer
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft 3D Viewer. 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 FBX files. The issue results from the lack of proper validation of user-supplied data, which can result in 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 at low integrity.

ADDITIONAL DETAILS Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17003
DISCLOSURE TIMELINE
  • 2020-06-02 - Vulnerability reported to vendor
  • 2020-10-14 - Coordinated public release of advisory
CREDIT rgod
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