Win32k Elevation of Privilege Vulnerability



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-0143
CWE-ID CWE-264
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Privilege escalation

EUVDB-ID: #VU5058

Risk: Medium

CVSSv4.0: 7.1 [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/E:P/U:Green]

CVE-ID: CVE-2016-0143

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: Yes

Description

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

The vulnerability exists due to improper handling of objects in memory by the kernel-mode driver. A local attacker can run a specially crafted program, gain elevated privileges and execute arbitrary code with SYSTEM privileges.

Successful exploitation of this vulnerability may result in arbitrary code execution on the vulnerable system.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Windows: Vista - 10

Windows Server: 2008 R2 - 2012

CPE2.3 External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2016-0143


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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