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Category:   Application (Web Browser)  >   Microsoft Internet Explorer Vendors:   Microsoft
Microsoft Internet Explorer Multiple Flaws Let Remote Users Execute Arbitrary Code, Bypass Sandbox Restrictions, and Obtain Potentially Sensitive Information
SecurityTracker Alert ID:  1040510
SecurityTracker URL:  http://securitytracker.com/id/1040510
CVE Reference:   CVE-2018-0889, CVE-2018-0929, CVE-2018-0935, CVE-2018-0942   (Links to External Site)
Date:  Mar 13 2018
Impact:   Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9, 10, 11
Description:   Several 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 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 an object memory handling error in the scripting engine and execute arbitrary code on the target user's system [CVE-2018-0889, CVE-2018-0935]. This can also be exploited via an embedded ActiveX control marked 'safe for initialization' in an application or Office document that hosts the rendering engine.

A remote user can create specially crafted content that, when loaded by the target user, will trigger an object memory handling error in the scripting engine and access potentially sensitive information on the target user's system [CVE-2018-0929].

A remote user that can exploit a separate vulnerability can trigger a flaw in the handling of zone and integrity settings to escape the sandbox protections and gain elevated privileges on the target system [CVE-2018-0942].

Anonymous (via Trend Micro's Zero Day Initiative), SkyLined (via Trend Micro's Zero Day Initiative), and Ivan Fratric of Google Project Zero 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 obtain potentially sensitive information on the target system.

Solution:   The vendor has issued a fix.

The Microsoft advisories are available at:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0889
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0929
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0935
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0942

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0889 (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (Any)

Message History:   None.


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