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Category:   Application (Web Browser)  >   Microsoft Edge Vendors:   Microsoft
(Microsoft Issues Fix for Microsoft Edge) Microsoft Internet Explorer Object Memory Handling Flaw in JavaScript Engine Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1038677
SecurityTracker URL:  http://securitytracker.com/id/1038677
CVE Reference:   CVE-2017-8517, CVE-2017-8522, CVE-2017-8524   (Links to External Site)
Date:  Jun 14 2017
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

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. Microsoft Edge is affected.

A remote user can create specially crafted content that, when loaded by the target user, will trigger an object memory handling flaw in the JavaScript engine and execute arbitrary code on the target user's system [CVE-2017-8517, CVE-2017-8522, CVE-2017-8524].

This can also be exploited via an ActiveX control marked as 'safe for initialization' embedded in an application or Microsoft Office document that hosts the browser rendering engine.

Christian Holler (decoder, @mozdeco) - own-hero Team reported one of 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.
Solution:   Microsoft has issued a fix for CVE-2017-8517, CVE-2017-8522, and CVE-2017-8524 for Microsoft Edge.

The Microsoft advisories are available at:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8517
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8522
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8524

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8517 (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (2016), Windows (10)

Message History:   This archive entry is a follow-up to the message listed below.
Jun 13 2017 Microsoft Internet Explorer Object Memory Handling Flaw in JavaScript Engine Lets Remote Users Execute Arbitrary Code



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