Advisory Details

September 14th, 2020

Microsoft Windows Camera Codec Pack Image Processing Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI-20-1175
ZDI-CAN-11263

CVE ID CVE-2020-0997
CVSS SCORE 7.8, (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Windows
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Windows. 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 WindowsCodecsRaw module. The issue results from the lack of proper validation of user-supplied data, which can result in a write 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 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-2020-0997
DISCLOSURE TIMELINE
  • 2020-06-11 - Vulnerability reported to vendor
  • 2020-09-14 - Coordinated public release of advisory
CREDIT Hossein Lotfi of Trend Micro Zero Day Initiative
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