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Category:   Application (Web Browser)  >   Microsoft Internet Explorer Vendors:   Microsoft
Microsoft Internet Explorer Multiple Bugs Let Remote Users Spoof Web Content, Bypass Security Restrictions, Conduct Cross-Site Scripting Attacks, and Execute Arbitrary Code
SecurityTracker Alert ID:  1036283
SecurityTracker URL:  http://securitytracker.com/id/1036283
CVE Reference:   CVE-2016-3204, CVE-2016-3240, CVE-2016-3241, CVE-2016-3242, CVE-2016-3243, CVE-2016-3245, CVE-2016-3248, CVE-2016-3259, CVE-2016-3260, CVE-2016-3261, CVE-2016-3264, CVE-2016-3273, CVE-2016-3274, CVE-2016-3276, CVE-2016-3277   (Links to External Site)
Date:  Jul 12 2016
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of system information, Modification of user information, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9, 10, 11
Description:   Multiple vulnerabilities were reported in Microsoft Internet Explorer. A remote user can cause arbitrary code to be executed on the target user's system. A remote user can bypass security controls on the target system. A remote user can spoof content. A remote user can conduct cross-site scripting attacks.

A remote user can create specially crafted content that, when loaded by the target user, will trigger a memory corruption error in the JScript 9 and VBScript engines and execute arbitrary code on the target user's system [CVE-2016-3204, CVE-2016-3248, CVE-2016-3259, CVE-2016-3260].

A remote user can create specially crafted content that, when loaded by the target user, will trigger a memory corruption error in Internet Explorer and execute arbitrary code on the target user's system [CVE-2016-3240, CVE-2016-3241, CVE-2016-3242, CVE-2016-3243, CVE-2016-3244]

A remote user can create a specially crafted URL that, when loaded by the target user, will exploit a flaw in the parsing of HTTP responses and spoof content [CVE-2016-3274].

A remote user can create a specially crafted URL that, when loaded by the target user, will exploit a flaw in the parsing of HTML in reader mode and spoof content [CVE-2016-3276].

A remote user can create specially crafted content that, when loaded by the target user, will trigger an object memory handling error and obtain potentially sensitive information on the target user's system [CVE-2016-3261, CVE-2016-3277].

A remote user can bypass restricted port security controls on the target system and cause the target user to connect to a remote target system [CVE-2016-3245].

The Microsoft Browser XSS Filter does not properly filter HTML code from user-supplied input before displaying the input [CVE-2016-3273]. A remote user can cause arbitrary scripting code to be executed by the target user's browser. The code will run in the security context of an arbitrary site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

62600BCA031B9EB5CB4A74ADDDD6771E (via Trend Micro's Zero Day Initiative (ZDI)), Henry Li of Trend Micro, Hui Gao of Palo Alto Networks, Jaehun Jeong (nesk), Individual, Jordan Rabet of Microsoft Offensive Security Research Team, Li Kemeng, Baidu Security Lab, Masato Kinugawa of Cure53, Tao Yan (@Ga1ois) of Palo Alto Networks, Zheng Huang of the Baidu Security Lab, and exp-sky of Tencent's Xuanwu LAB (via Trend Micro's Zero Day Initiative) 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 remote user can bypass security controls on the target system.

A remote user can spoof content.

A remote user can access the target user's cookies (including authentication cookies), if any, associated with an arbitrary site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

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/ms16-084

Vendor URL:  technet.microsoft.com/library/security/ms16-084 (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jul 12 2016 (Microsoft Issues Fix for Microsoft Edge) Microsoft Internet Explorer Multiple Bugs Let Remote Users Spoof Web Content, Bypass Security Restrictions, Conduct Cross-Site Scripting Attacks, and Execute Arbitrary Code
Microsoft has issued a fix for Microsoft Edge.



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