Privilege escalation in Microsoft Windows



Published: 2013-11-27 | Updated: 2017-03-13
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2013-5065
CWE-ID CWE-20
Exploitation vector Local
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
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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: #VU4348

Risk: Medium

CVSSv3.1: 8.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2013-5065

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

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

The weakness exists due to improper validation of input by the NDProxy.sys kernel component. A local attacker with valid login credentials can use a malicious application to gain kernel privileges and execute arbitrary code on the system.

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

Note: the vulnerability was being actively exploited.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Windows: XP

Windows Server: 2003

External links

http://technet.microsoft.com/en-us/library/security/ms14-002


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?

Yes. This vulnerability is being exploited in the wild.



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