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Category:   Application (Web Browser)  >   Microsoft Edge Vendors:   Microsoft
Microsoft Edge Multiple Bugs Let Remote Users Execute Arbitrary Code, Obtain Potentially Sensitive Information, Gain Elevated Privileges, and Bypass Security Restrictions on the Target System
SecurityTracker Alert ID:  1041457
SecurityTracker URL:  http://securitytracker.com/id/1041457
CVE Reference:   CVE-2018-8266, CVE-2018-8351, CVE-2018-8355, CVE-2018-8357, CVE-2018-8358, CVE-2018-8359, CVE-2018-8370, CVE-2018-8372, CVE-2018-8380, CVE-2018-8381, CVE-2018-8383, CVE-2018-8385, CVE-2018-8388, CVE-2018-8390, CVE-2018-8403   (Links to External Site)
Date:  Aug 14 2018
Impact:   Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, Modification of system information, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Multiple vulnerabilities were reported in Microsoft Edge. A remote user can cause arbitrary code to be executed on the target user's system. A remote user can redirect the target user's browser to an arbitrary site. A remote user can gain elevated privileges. 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 bypass Cross-Origin Resource Sharing (CORS) redirect restrictions on the target system [CVE-2018-8358].

A remote user can create specially crafted content that, when loaded by the target user, will trigger an object memory handling error in the browser and execute arbitrary code on the target user's system [CVE-2018-8403].

A remote user can create specially crafted content that, when loaded by the target user, will trigger an object memory handling error in the Chakra scripting engine and execute arbitrary code on the target user's system [CVE-2018-8266, CVE-2018-8380, CVE-2018-8381, CVE-2018-8390, CVE-2018-8359].

A remote user can exploit an audio request processing flaw in the WebAudio Library to view potentially sensitive information on the target system [CVE-2018-8370].

A remote user can create a specially crafted ActiveX control marked "safe for initialization" in an application or Microsoft Office document that hosts the related rendering engine that, when loaded by the target user, will trigger a memory corruption error in the browser scripting engine and execute arbitrary code on the target user's system [CVE-2018-8372, CVE-2018-8385, CVE-2018-8355].

A remote user can create a URL that, when loaded by the target user, will redirect the target user's browser to an arbitrary site [CVE-2018-8383].

A remote user can create specially crafted HTML content that, when loaded by the target user, will spoof content in the target user's browser [CVE-2018-8388].

A remote user can create specially crafted HTML content that, when opened by the target user from a secure web site, will bypass cross-frame security controls and obtain potentially sensitive information on the target system [CVE-2018-8351].

A remote user can escape the sandbox on the target user's system [CVE-2018-8357].

Bruno Keith, dannywei of Tencent Security Xuanwu Lab, exp-sky (Kai Song) of Tencent Security Xuanwu Lab, Yuki Chen of Qihoo 360 Vulcan Team, Lokihardt of Google Project Zero, Qixun Zhao of Qihoo 360 Vulcan Team, James Lee @Windowsrcer of Kryptos Logic, Rafay Baloch, Michael Holman, Microsoft Chakra Core Team, Gareth Heyes of PortSwigger, Jihui Lu of Tencent KeenLab, Seonung Jang (@Seonunghardt) of Stealien, James Lee @Windowsrcer of Kryptos Logic, and Jun Kokatsu, Windows & Devices Group - Operating System Security Team 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 cause the target user's browser to be redirected to an arbitrary web site.

A remote user can gain 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.

The Microsoft advisories are available at:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8266
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8351
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8355
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8357
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8358
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8359
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8370
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8372
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8380
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8381
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8383
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8385
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8388
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8390
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8403

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8266 (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Windows (10)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Aug 15 2018 (Microsoft Issues Fix for Microsoft Internet Explorer) Microsoft Edge Multiple Bugs Let Remote Users Execute Arbitrary Code, Obtain Potentially Sensitive Information, Gain Elevated Privileges, and Bypass Security Restrictions on the Target System
Microsoft has issued a fix for Microsoft Internet Explorer.



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