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Vulnerability of Microsoft Office, SharePoint: four vulnerabilities

Synthesis of the vulnerability 

Several vulnerabilities were announced in Microsoft Office et SharePoint.
Vulnerable software: Office, Access, Office Communicator, Excel, OneNote, Outlook, PowerPoint, Project, Publisher, MOSS, Visio, Word.
Severity of this announce: 3/4.
Number of vulnerabilities in this bulletin: 4.
Creation date: 08/09/2015.
Références of this computer vulnerability: 3089664, CERTFR-2015-AVI-379, CVE-2015-2520, CVE-2015-2521, CVE-2015-2523, CVE-2015-2545, MS15-099, VIGILANCE-VUL-17845.

Description of the vulnerability 

Several vulnerabilities were announced in Microsoft Office et SharePoint.

An attacker can generate a memory corruption, in order to trigger a denial of service, and possibly to run code. [severity:3/4; CVE-2015-2520]

An attacker can generate a memory corruption, in order to trigger a denial of service, and possibly to run code. [severity:3/4; CVE-2015-2521]

An attacker can generate a memory corruption, in order to trigger a denial of service, and possibly to run code. [severity:3/4; CVE-2015-2523]

An attacker can use a vulnerability when EPS files are processed, in order to run code. [severity:3/4; CVE-2015-2545]
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This computer threat note impacts software or systems such as Office, Access, Office Communicator, Excel, OneNote, Outlook, PowerPoint, Project, Publisher, MOSS, Visio, Word.

Our Vigil@nce team determined that the severity of this weakness alert is important.

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

This bulletin is about 4 vulnerabilities.

A proof of concept or an attack tool is available, so your teams have to process this alert. An attacker with a beginner ability can exploit this computer weakness note.

Solutions for this threat 

Microsoft Office, SharePoint: patch.
A patch is indicated in information sources.
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Computer vulnerabilities tracking service 

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