Advisory Details

September 10th, 2020

Microsoft Visual Studio DDS File Parsing Integer Overflow Remote Code Execution Vulnerability

ZDI-20-1120
ZDI-CAN-11095

CVE ID CVE-2020-16874
CVSS SCORE 7.0, (AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Visual Studio
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Visual Studio. 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 dxtex module. Crafted data in a DDS file can trigger an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current user.

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-2020-16874
DISCLOSURE TIMELINE
  • 2020-06-04 - Vulnerability reported to vendor
  • 2020-09-10 - Coordinated public release of advisory
CREDIT Anonymous
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