Buffer overflow in Windows and Windows Server - CVE-2017-0296

 

Buffer overflow in Windows and Windows Server - CVE-2017-0296

Published: June 13, 2017 / Updated: June 14, 2017


Vulnerability identifier: #VU7037
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-0296
CWE-ID: CWE-120
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to boundary error when checking the length of a buffer by tdx.sys. A local attacker can run a specially crafted application to gain system privileges and run processes in an elevated context.

Successful exploitation of the vulnerability results privilege escalation.

How to mitigate CVE-2017-0296

Install update from vendor's website.

Sources