Privilege escalation in Windows and Windows Server - CVE-2015-1701

 

Privilege escalation in Windows and Windows Server - CVE-2015-1701

Published: January 31, 2017 / Updated: November 20, 2020


Vulnerability identifier: #VU5553
CSH Severity: Medium
CVSS v4.0: 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:A/U:Green
CVE-ID: CVE-2015-1701
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: The vulnerability is being exploited in the wild
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 improper access control. A local attacker can create a specially crafted application, execute a callback in userspace and use data from the System token to execute arbitrary code on the system with root privileges.

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

Note: the vulnerability was being actively exploited.

How to mitigate CVE-2015-1701

Install update from vendor's website.

Sources