Buffer overflow in Microsoft products - CVE-2017-8682

 

Buffer overflow in Microsoft products - CVE-2017-8682

Published: September 12, 2017 / Updated: September 14, 2018


Vulnerability identifier: #VU8295
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2017-8682
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Microsoft Office
Microsoft Word

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when processing fonts within Win32k.sys driver. A remote unauthenticated attacker can create a specially crafted font, trick the victim into loading it and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2017-8682

Install updates from vendor's website.

Sources