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computer vulnerability alert CVE-2015-0085 CVE-2015-0086 CVE-2015-0097

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.
Consequences of a hack: user access/rights, denial of service on client.
Attacker's origin: document.
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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