Fortinet Discovers MSRawImage Store Stack-Based Buffer Overwrite Vulnerability
Fortinet's FortiGuard Labs has discovered a stack-based buffer overwrite vulnerability in Microsoft Raw Image Extension.
The Raw Image Extension adds native viewing support for images captured in raw file formats produced by many mid- to high-end digital cameras
The stack-based buffer overwrites memory write vulnerability exists due to unsanitized user-controlled data crafted in a raw image file parsed by a vulnerable component. An attacker who successfully exploited the vulnerability could obtain remote code execution on the user's system.
Users should apply the solution provided by Microsoft.
Fortinet reported the vulnerability to Microsoft on July 30, 2020
Microsoft confirmed the vulnerability on July 31, 2020
Microsoft released a patch for the vulnerability on November 11, 2020
This vulnerability was discovered by Wayne Low of Fortinet's FortiGuard Labs.