Remote code execution in Microsoft Windows



Published: 2014-10-14 | Updated: 2017-02-27
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2014-4114
CWE-ID CWE-20
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
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Windows Server
Operating systems & Components / Operating system

Windows
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) Improper input validation

EUVDB-ID: #VU4872

Risk: Critical

CVSSv3.1: 9.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2014-4114

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to an error when processing OLE objects. A remote attacker can create a specially crafted OLE object, attach it to a document (e.g. PowerPoint file), trick the victim into opening it and execute arbitrary code with privileges of the current user.

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 Server: 2003 - 2012 R2

Windows: 7 - Vista

External links

http://technet.microsoft.com/en-us/library/security/ms14-060


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.



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