Heap-based buffer overflow in Windows and Windows Server - CVE-2016-7274
Published: December 13, 2016 / Updated: September 14, 2018
Vulnerability identifier: #VU3796
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-2016-7274
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in LoadUvsTable() function when processing .ttf files. A remote attacker can create a specially crafted TTF file, trick the victim into opening it, trigger heap-based buffer overflow and execute arbitrary code on the target system with privileges of the current user.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error in LoadUvsTable() function when processing .ttf files. A remote attacker can create a specially crafted TTF file, trick the victim into opening it, trigger heap-based buffer overflow and execute arbitrary code on the target system with privileges of the current user.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
How to mitigate CVE-2016-7274
Install updates from vendor's website.