Privilege escalation in Microsoft Windows

Published: 2015-01-13 00:00:00 | Updated: 2017-02-01
Severity Critical
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2015-0016
CVSSv3 8.9 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]
CWE ID CWE-22
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software Windows
Windows Server
Vulnerable software versions Windows Vista
Windows 7
Windows RT 8.1

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Windows Server 2008 R2
Windows Server 2012 R2
Windows Server 2012
Vendor URL Microsoft

Security Advisory

1) Path traversal

Description

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

The weakness exists due to insufficient validation of user-supplied input within TS WebProxy Windows component. A remote attacker can trick the victim into downloading a specially crafted file and execute it with privileges of the current user.  

Successful exploitation of the vulnerability may result in full control of the vulnerable system.

Note: the vulnerability was being actively exploited.

Remediation

Install update from vendor's website.

External links

https://technet.microsoft.com/en-us/library/security/ms15-004

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