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Vulnerability of Microsoft Office, SharePoint: five vulnerabilities

Synthesis of the vulnerability 

An attacker can use several vulnerabilities of Microsoft Office.
Impacted software: Office, Access, Excel, OneNote, Outlook, PowerPoint, Project, Publisher, MOSS, Visio, Word.
Severity of this computer vulnerability: 3/4.
Number of vulnerabilities in this bulletin: 5.
Creation date: 10/03/2015.
Références of this announce: 3038999, CERTFR-2015-AVI-098, CVE-2015-0085, CVE-2015-0086, CVE-2015-0097, CVE-2015-1633, CVE-2015-1636, MS15-022, VIGILANCE-VUL-16366, ZDI-15-088.

Description of the vulnerability 

Several vulnerabilities were announced in Microsoft Office.

An attacker can force the usage of a freed memory area in Office, in order to trigger a denial of service, and possibly to execute code. [severity:3/4; CVE-2015-0085, ZDI-15-088]

An attacker can generate a memory corruption in Office, in order to trigger a denial of service, and possibly to execute code. [severity:3/4; CVE-2015-0086]

An attacker can generate a memory corruption in Office, in order to trigger a denial of service, and possibly to execute code. [severity:3/4; CVE-2015-0097]

An attacker can trigger a Cross Site Scripting in SharePoint, in order to execute JavaScript code in the context of the web site. [severity:2/4; CVE-2015-1633]

An attacker can trigger a Cross Site Scripting in SharePoint, in order to execute JavaScript code in the context of the web site. [severity:2/4; CVE-2015-1636]
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This threat alert impacts software or systems such as Office, Access, Excel, OneNote, Outlook, PowerPoint, Project, Publisher, MOSS, Visio, Word.

Our Vigil@nce team determined that the severity of this computer vulnerability bulletin is important.

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

This bulletin is about 5 vulnerabilities.

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

Solutions for this threat 

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

Vigil@nce provides applications vulnerabilities patches. The Vigil@nce security watch publishes vulnerability bulletins about threats impacting the information system.