Microsoft Windows Raw Image Extension 3FR File Parsing Integer Underflow Remote Code Execution Vulnerability

May 5th, 2021
ZDI-21-508 ZDI-CAN-12152

CVE ID

CVSS Score

4.5 AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

Affected Vendors

Microsoft

Affected Products

Raw Image Extension

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Raw Image Extension. 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 3FR images. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current user at low integrity.

Additional Details

Fixed in version 10.0.20236.1001


Disclosure Timeline

  • 2020-10-28 - Vulnerability reported to vendor
  • 2021-05-05 - Coordinated public release of advisory

Credit

Wen guang Jiao

Back to Advisories