Kaspersky Threats

Detect date

?

10/13/2015

Severity

?

High

Description

Multiple serious vulnerabilities have been found in Microsoft Office. Malicious users can exploit these vulnerabilities to bypass security restrictions, spoof user interface, execute arbitrary code or obtain sensitive information.

Below is a complete list of vulnerabilities

Improper memory objects handling can be exploited remotely via a specially designed office file to execute arbitrary code;
Improper Document Type Definition parsing at SharePoint InfoPath Forms Services can be exploited remotely via a specially designed file to obtain sensitive information;
Improper request sanitization at Office Web Apps can be exploited remotely via a specially designed URL to spoof user interface.
Lack of permission restrictions at Microsoft SharePoint can be exploited remotely via a specially designed Office Marketplace instance.

Technical details

To exploit vulnerabilities (2,4) malicious user must be logged in or anonymous access must be enabled

Affected products

Microsoft Excel 2007 Service Pack 3
Microsoft Visio 2007 Service Pack 3
Microsoft Excel 2010 Service Pack 2
Microsoft Visio 2010 Service Pack 2
Microsoft Excel 2013 Service Pack 1
Microsoft Excel 2013 RT Service Pack 1
Microsoft Excel 2016
Microsoft Excel 2016 for Mac
Microsoft Excel Viewer
Microsoft Office Compatibility Pack Service Pack 3
Excel Services on Microsoft SharePoint Server 2007 Service Pack 3
Excel Services on Microsoft SharePoint Server 2010 Service Pack 2
Excel Services on Microsoft SharePoint Server 2013 Service Pack 1
Microsoft Office Web Apps 2010 Service Pack 2
Microsoft Office Web Apps Server 2013 Service Pack 1
Microsoft SharePoint Server 2010 Service Pack 2
Microsoft SharePoint Server 2013 Service Pack 1
Microsoft SharePoint Foundation 2013 Service Pack 1

Solution

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Original advisories

CVE-2015-2555
CVE-2015-6039
CVE-2015-6037
CVE-2015-2557
CVE-2015-2556
CVE-2015-2558

Impacts

?

ACE

[?]

OSI

[?]

SB

[?]

SUI

[?]

Detect date ?	10/13/2015
Severity ?	High
Description	Multiple serious vulnerabilities have been found in Microsoft Office. Malicious users can exploit these vulnerabilities to bypass security restrictions, spoof user interface, execute arbitrary code or obtain sensitive information. Below is a complete list of vulnerabilities Improper memory objects handling can be exploited remotely via a specially designed office file to execute arbitrary code; Improper Document Type Definition parsing at SharePoint InfoPath Forms Services can be exploited remotely via a specially designed file to obtain sensitive information; Improper request sanitization at Office Web Apps can be exploited remotely via a specially designed URL to spoof user interface. Lack of permission restrictions at Microsoft SharePoint can be exploited remotely via a specially designed Office Marketplace instance. Technical details To exploit vulnerabilities (2,4) malicious user must be logged in or anonymous access must be enabled
Affected products	Microsoft Excel 2007 Service Pack 3 Microsoft Visio 2007 Service Pack 3 Microsoft Excel 2010 Service Pack 2 Microsoft Visio 2010 Service Pack 2 Microsoft Excel 2013 Service Pack 1 Microsoft Excel 2013 RT Service Pack 1 Microsoft Excel 2016 Microsoft Excel 2016 for Mac Microsoft Excel Viewer Microsoft Office Compatibility Pack Service Pack 3 Excel Services on Microsoft SharePoint Server 2007 Service Pack 3 Excel Services on Microsoft SharePoint Server 2010 Service Pack 2 Excel Services on Microsoft SharePoint Server 2013 Service Pack 1 Microsoft Office Web Apps 2010 Service Pack 2 Microsoft Office Web Apps Server 2013 Service Pack 1 Microsoft SharePoint Server 2010 Service Pack 2 Microsoft SharePoint Server 2013 Service Pack 1 Microsoft SharePoint Foundation 2013 Service Pack 1
Solution	Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)
Original advisories	CVE-2015-2555 CVE-2015-6039 CVE-2015-6037 CVE-2015-2557 CVE-2015-2556 CVE-2015-2558
Impacts ?	ACE [?] OSI [?] SB [?] SUI [?]
Related products	Microsoft Visio 2010 Microsoft Excel Microsoft Sharepoint Server
CVE-IDS ?	CVE-2015-25559.3Critical CVE-2015-60393.5Warning CVE-2015-60373.5Warning CVE-2015-25579.3Critical CVE-2015-25564.3Warning CVE-2015-25589.3Critical
Microsoft official advisories	Microsoft Security Update Guide
KB list	3085571 3085514 3085595 3085619 3085618 3085609 3085615 2596670 3085542 3085567 3085583 3085568 3054994 3085596 3085582 3096440 3097266 2553405 3097264 3085520 2920693