KLA10738 Multiple vulnerabilities in Microsoft Office

Multiple serious vulnerabilities have been found in Microsoft Office. Malicious users can exploit these vulnerabilities to bypass security restrictions or execute arbitrary code.

Below is a complete list of vulnerabilities

1. Improper memory objects handling can be exploited remotely via a specially designed file to execute arbitrary code;
2. Lack of Access Control Policy enforcement can be exploited remotely via a specially designed web content to bypass security restrictions;
3. An unknown vulnerability can be exploited remotely via a specially designed web content to bypass Address Space Layout Randomization security feature.

Technical details

In some cases vulnerability (1) can be triggered via Preview Pane.

Vulnerability (2) related to SharePoint

Original advisories

CVE-2016-0035

CVE-2015-6117

CVE-2016-0010

CVE-2016-0011

CVE-2016-0012

Related products

Microsoft-Office

CVE list

CVE-2016-0035 critical

CVE-2015-6117 warning

CVE-2016-0010 critical

CVE-2016-0011 warning

CVE-2016-0012 warning

KB list

3114511

3114518

3114557

3114554

3114494

3114396

2920727

3114504

3114549

3114421

2881067

3114503

3114540

3114541

3114520

3114402

3114546

3114564

3114547

3039794

3114482

3114489

3114526

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)

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

Affected Products

• Microsoft Sharepoint Foundation 2013 Service Pack 1Microsoft Office 2007 Service Pack 3Microsoft Office 2010 Service Pack 2Microsoft Office 2013 Service Pack 1Microsoft Office 2013 RT Service Pack 1Microsoft Office 2016Microsoft Excel, Powerpoint and Word for Mac 2011Microsoft Excel, Powerpoint and Word for Mac 2016Microsoft Office Compatibility Pack Service Pack 3Microsoft Excel and Word ViewersMicrosoft Sharepoint Server 2013 Service Pack 1