Security bypass in Microsoft Windows and Windows Server - CVE-2015-2454

 

Security bypass in Microsoft Windows and Windows Server - CVE-2015-2454

Published: February 8, 2017 / Updated: March 10, 2017


Vulnerability identifier: #VU5669
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-2454
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerabiity allows a local attacker to bypass security restrictions on the target system.

The weakness exists due to improper validation and enforcement of impersonation levels by Windows kernel-mode driver. A local attacker can create a specially crafted application, execute it on the system, bypass impersonation-level security and gain elevated privileges.

Successful exploitation of this vulnerability may result in privilege escalation on the vulnerable system.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2015-2454

Install update from vendor's website.


External References

Related Security Bulletins