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Category:   Application (Generic)  >   Microsoft Office Vendors:   Microsoft
Microsoft Office Multiple Flaws Let Remote Users Bypass Security, Obtain Potentially Sensitive Information, and Execute Arbitrary Code and Let Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1037441
SecurityTracker URL:  http://securitytracker.com/id/1037441
CVE Reference:   CVE-2016-7257, CVE-2016-7262, CVE-2016-7263, CVE-2016-7264, CVE-2016-7265, CVE-2016-7266, CVE-2016-7267, CVE-2016-7268, CVE-2016-7275, CVE-2016-7276, CVE-2016-7277, CVE-2016-7289, CVE-2016-7290, CVE-2016-7291, CVE-2016-7298, CVE-2016-7300   (Links to External Site)
Date:  Dec 13 2016
Impact:   Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, User access via local system, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2007, 2010, 2013, 2013 RT, 2016, Compatibility Pack SP3, Excel Viewer, Word Viewer; Office for Mac 2011, Office 2016 for Mac, Microsoft Auto Updater for Mac
Description:   Multiple vulnerabilities were reported in Microsoft Office. A remote user can cause arbitrary code to be executed on the target user's system. A local user can obtain elevated privileges on the target system. A remote user can bypass security controls on the target system. A remote user can obtain potentially sensitive information on the target system.

A remote user can create specially crafted content that, when loaded by the target user, will trigger a memory corruption error and execute arbitrary code on the target user's system [CVE-2016-7263, CVE-2016-7277, CVE-2016-7289, CVE-2016-7298].

A remote user can create specially crafted content that, when loaded by the target user, will access potentially sensitive information from on the target system [CVE-2016-7264, CVE-2016-7265, CVE-2016-7268, CVE-2016-7276, CVE-2016-7290, CVE-2016-7291].

A remote user can create specially crafted content that, when loaded by the target user, will trigger an object memory handling error and disclose information that can be used to bypass Address Space Layout Randomization (ASLR) protections [CVE-2016-7257].

A remote user can create specially crafted embedded content that, when loaded by the target user multiple times, will trigger a registry settings validation error and bypass security protections [CVE-2016-7266].

A remote user can create a specially crafted document that, when loaded by the target user and when the target user clicks on a specific cell in the document, will trigger an input validation flaw and bypass security protections to execute arbitrary commands on the target user's system [CVE-2016-7262].

A local user can run a specially crafted application to trigger a DLL loading error and execute arbitrary code with elevated privileges [CVE-2016-7275].

A remote user can create a specially crafted file that, when loaded by the target user, will trigger a file format parsing error and bypass security protections [CVE-2016-7267].

A local user can place a specially crafted executable on the target system and then cause the Microsoft AutoUpdate (MAU) application for Mac to execute the code with elevated privileges [CVE-2016-7300].

@j00sean, Haifei Li of Intel Security, Iliyan Velikov of PwC UK, JChen of Palo Alto Networks, Jaanus Kaap of Clarified Security, Peixue Li of Fortinet's FortiGuard Labs, Robert Riskin, Steven Seeley of Source Incite, Steven Vittitoe of Google Project Zero, and Weibo Wang of Qihoo 360 Skyeye Labs reported these vulnerabilities.

Impact:   A remote user can create content that, when loaded by the target user, will execute arbitrary code on the target user's system.

A local user can obtain elevated privileges on the target system.

A remote user can bypass security controls on the target system.

A remote user can obtain potentially sensitive information on the target system.

Solution:   The vendor has issued a fix.

A patch matrix is available in the vendor advisory.

The Microsoft advisory is available at:

https://technet.microsoft.com/library/security/ms16-148

Vendor URL:  technet.microsoft.com/library/security/ms16-148 (Links to External Site)
Cause:   Access control error, Authentication error, Input validation error
Underlying OS:  UNIX (macOS/OS X), Windows (Any)

Message History:   None.


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