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Vulnerability of Microsoft Malware Protection Engine: denial of service

Synthesis of the vulnerability 

An attacker can send a malicious file to the Microsoft Malware Protection Engine, in order to trigger a denial of service.
Impacted software: SCCM, Forefront Security for Exchange Server, Forefront Threat Management Gateway, Forefront Unified Access Gateway, SCOM, Windows 2003, Windows 2008 R0, Windows 2008 R2, Windows 2012, Windows 7, Windows 8, Windows RT, Windows Vista, Windows XP.
Severity of this computer vulnerability: 2/4.
Creation date: 18/06/2014.
Références of this announce: 2974294, CVE-2014-2779, VIGILANCE-VUL-14908.

Description of the vulnerability 

The Microsoft Malware Protection Engine analyzes files searching for malware.

However, a malicious file locks this engine.

An attacker can therefore send a malicious file to the Microsoft Malware Protection Engine, in order to trigger a denial of service.
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This security bulletin impacts software or systems such as SCCM, Forefront Security for Exchange Server, Forefront Threat Management Gateway, Forefront Unified Access Gateway, SCOM, Windows 2003, Windows 2008 R0, Windows 2008 R2, Windows 2012, Windows 7, Windows 8, Windows RT, Windows Vista, Windows XP.

Our Vigil@nce team determined that the severity of this cybersecurity announce is medium.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this vulnerability alert.

Solutions for this threat 

Microsoft Malware Protection Engine: update.
An automatic update is available.
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