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Vulnerability of Microsoft Office: five vulnerabilities

Synthesis of the vulnerability 

An attacker can use several vulnerabilities of Microsoft Office.
Vulnerable products: Office, Access, Office Communicator, Excel, OneNote, Outlook, PowerPoint, Project, Publisher, MOSS, Visio, Word.
Severity of this weakness: 3/4.
Number of vulnerabilities in this bulletin: 5.
Creation date: 14/04/2015.
Références of this bulletin: 3048019, CERTFR-2015-AVI-151, CVE-2015-1639, CVE-2015-1641, CVE-2015-1649, CVE-2015-1650, CVE-2015-1651, MS15-033, VIGILANCE-VUL-16596, ZDI-15-132.

Description of the vulnerability 

Several vulnerabilities were announced in Microsoft Office.

An attacker can generate a memory corruption, in order to trigger a denial of service, and possibly to execute code. [severity:3/4; CVE-2015-1641]

An attacker can force the usage of a freed memory area, in order to trigger a denial of service, and possibly to execute code. [severity:3/4; CVE-2015-1649]

An attacker can force the usage of a freed memory area, in order to trigger a denial of service, and possibly to execute code. [severity:3/4; CVE-2015-1650, ZDI-15-132]

An attacker can force the usage of a freed memory area, in order to trigger a denial of service, and possibly to execute code. [severity:3/4; CVE-2015-1651]

An attacker can trigger a Cross Site Scripting in Microsoft Outlook App for Mac, in order to execute JavaScript code in the context of the web site. [severity:2/4; CVE-2015-1639]
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This computer vulnerability 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 bulletin is important.

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

This bulletin is about 5 vulnerabilities.

An attacker with a expert ability can exploit this weakness.

Solutions for this threat 

Microsoft Office: patch.
A patch is available in information sources.
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