Privilege escalation in Microsoft Windows



Published: 2015-01-13 | Updated: 2017-02-01
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2015-0016
CWE-ID CWE-22
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
Subscribe 		Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) Path traversal

EUVDB-ID: #VU5578

Risk: Critical

CVSSv3.1:

CVE-ID: CVE-2015-0016

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: Yes

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Windows: 7 - Vista

Windows Server: 2008 R2 - 2012 R2

CPE2.3 External links

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

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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