Privilege escalation in Microsoft Windows and Windows Server - CVE-2014-1812

Vulnerability identifier: #VU5191

CSH Severity: High

CVSS v4: 8.6 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2014-1812

CWE-ID: CWE-255

Exploitation vector: Adjecent network

Exploit availability: The vulnerability is being exploited in the wild

The vulnerability allows a remote authenticated attacker to obtain elevated privileges on the target system.

The weakness exists due to the method passwords are distributed when configured using group policy preference. A remote authenticated attacker can obtain sensitive credential information and consequently gain privileges by leveraging access to the SYSVOL share.

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

Note: the vulnerability was being actively exploited.

Microsoft Windows
Windows Server

Install update from vendor's website.

• https://technet.microsoft.com/en-us/library/security/ms14-025

• Privilege escalation in Microsoft Windows