Microsoft Edge CVE-2017-8637 Security Bypass Vulnerability

Bugtraq ID:	100045
Class:	Input Validation Error
CVE:	CVE-2017-8637
Remote:	Yes
Local:	No
Published:	Aug 08 2017 12:00AM
Updated:	Aug 11 2017 03:10PM
Credit:	Ivan Fratric of Google Project Zero
Vulnerable:	Microsoft Edge 0 + Microsoft Windows 10 for 32-bit Systems 0 + Microsoft Windows 10 for 32-bit Systems 0 + Microsoft Windows 10 for x64-based Systems 0 + Microsoft Windows 10 for x64-based Systems 0 + Microsoft Windows 10 version 1511 for 32-bit Systems 0 + Microsoft Windows 10 version 1511 for 32-bit Systems 0 + Microsoft Windows 10 version 1511 for x64-based Systems 0 + Microsoft Windows 10 version 1511 for x64-based Systems 0 + Microsoft Windows 10 Version 1607 for 32-bit Systems 0 + Microsoft Windows 10 Version 1607 for x64-based Systems 0 + Microsoft Windows Server 2016 for x64-based Systems 0 Microsoft ChakraCore 1.7 Microsoft ChakraCore 1.6 Microsoft ChakraCore 1.5 Microsoft ChakraCore 1.4 Microsoft ChakraCore 1.3 Microsoft ChakraCore 1.2
Not Vulnerable:	Microsoft ChakraCore 1.7.1

Microsoft Edge CVE-2017-8637 Security Bypass Vulnerability

Microsoft Edge is prone to a security-bypass vulnerability.

An attacker can leverage this issue to bypass certain security restrictions and execute arbitrary code by exploiting another vulnerability in the application; this may aid in launching further attacks.

Microsoft Edge CVE-2017-8637 Security Bypass Vulnerability

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Microsoft Edge CVE-2017-8637 Security Bypass Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

Microsoft Edge CVE-2017-8637 Security Bypass Vulnerability

References:

• [1.7>master] [1.6>1.7] [MERGE #3509 @pleath] 17-08 ChakraCore servicing release (Microsoft)
  
• Microsoft Edge - Homepage (Microsoft)
  
• Microsoft Homepage (Microsoft)
  
• CVE-2017-8637 | Scripting Engine Security Feature Bypass Vulnerability (Microsoft)