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computer vulnerability alert CVE-2015-1639 CVE-2015-1641 CVE-2015-1649

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.
Consequences of an attack: user access/rights, client access/rights.
Hacker's origin: document.
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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