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Vulnerability of Microsoft Office: six vulnerabilities of Graphics Component

Synthesis of the vulnerability 

An attacker can use several vulnerabilities of Graphics Component of Microsoft Office.
Vulnerable products: Office, Access, Office Communicator, Excel, InfoPath, OneNote, Outlook, PowerPoint, Project, Publisher, Visio, Word.
Severity of this weakness: 4/4.
Number of vulnerabilities in this bulletin: 6.
Creation date: 11/08/2015.
Références of this bulletin: 3078662, CERTFR-2015-AVI-334, CVE-2015-2431, CVE-2015-2435, CVE-2015-2455, CVE-2015-2456, CVE-2015-2463, CVE-2015-2464, MS15-080, VIGILANCE-VUL-17628, ZDI-15-387, ZDI-15-388.

Description of the vulnerability 

Several vulnerabilities were announced in Microsoft Office.

An attacker can generate a memory corruption in Office Graphics Library Font, in order to trigger a denial of service, and possibly to run code. [severity:4/4; CVE-2015-2431]

An attacker can generate a memory corruption in TrueType, in order to trigger a denial of service, and possibly to run code. [severity:4/4; CVE-2015-2435, ZDI-15-387]

An attacker can generate a memory corruption in TrueType, in order to trigger a denial of service, and possibly to run code. [severity:4/4; CVE-2015-2455, ZDI-15-388]

An attacker can generate a memory corruption in TrueType, in order to trigger a denial of service, and possibly to run code. [severity:4/4; CVE-2015-2456]

An attacker can generate a memory corruption in TrueType, in order to trigger a denial of service, and possibly to run code. [severity:4/4; CVE-2015-2463]

An attacker can generate a memory corruption in TrueType, in order to trigger a denial of service, and possibly to run code. [severity:4/4; CVE-2015-2464]
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This weakness alert impacts software or systems such as Office, Access, Office Communicator, Excel, InfoPath, OneNote, Outlook, PowerPoint, Project, Publisher, Visio, Word.

Our Vigil@nce team determined that the severity of this computer vulnerability note is critical.

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

This bulletin is about 6 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 security bulletin.

Solutions for this threat 

Microsoft Office: patch for Graphics Component.
A patch is available in information sources.
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Computer vulnerabilities tracking service 

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