Microsoft ChakraCore Scripting Engine CVE-2018-8276 Security Bypass Vulnerability

Bugtraq ID:	104626
Class:	Input Validation Error
CVE:	CVE-2018-8276
Remote:	Yes
Local:	No
Published:	Jul 10 2018 12:00AM
Updated:	Jul 10 2018 12:00AM
Credit:	Kai Kang (@4B5F5F4B)
Vulnerable:	Microsoft Edge 0 + Microsoft Windows 10 for 32-bit Systems 0 + Microsoft Windows 10 for 32-bit Systems 0 + Microsoft Windows 10 for 32-bit Systems 0 + Microsoft Windows 10 for 32-bit Systems 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 for x64-based Systems 0 + Microsoft Windows 10 for x64-based 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 32-bit 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 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 1511 for x64-based 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 1511 for x64-based Systems 0 + Microsoft Windows 10 Version 1607 for 32-bit Systems 0 + Microsoft Windows 10 Version 1607 for 32-bit Systems 0 + Microsoft Windows 10 Version 1607 for 32-bit Systems 0 + Microsoft Windows 10 Version 1607 for 32-bit Systems 0 + Microsoft Windows 10 Version 1607 for 32-bit Systems 0 + Microsoft Windows 10 Version 1607 for x64-based Systems 0 + Microsoft Windows 10 Version 1607 for x64-based Systems 0 + Microsoft Windows 10 Version 1607 for x64-based Systems 0 + Microsoft Windows 10 Version 1607 for x64-based Systems 0 + Microsoft Windows 10 Version 1607 for x64-based Systems 0 + Microsoft Windows 10 version 1703 for 32-bit Systems 0 + Microsoft Windows 10 version 1703 for 32-bit Systems 0 + Microsoft Windows 10 version 1703 for 32-bit Systems 0 + Microsoft Windows 10 version 1703 for 32-bit Systems 0 + Microsoft Windows 10 version 1703 for x64-based Systems 0 + Microsoft Windows 10 version 1703 for x64-based Systems 0 + Microsoft Windows 10 version 1703 for x64-based Systems 0 + Microsoft Windows 10 version 1703 for x64-based Systems 0 + Microsoft Windows 10 version 1709 for 32-bit Systems 0 + Microsoft Windows 10 version 1709 for 32-bit Systems 0 + Microsoft Windows 10 version 1709 for 32-bit Systems 0 + Microsoft Windows 10 version 1709 for 32-bit Systems 0 + Microsoft Windows 10 version 1709 for x64-based Systems 0 + Microsoft Windows 10 version 1709 for x64-based Systems 0 + Microsoft Windows 10 version 1709 for x64-based Systems 0 + Microsoft Windows 10 version 1709 for x64-based Systems 0 + Microsoft Windows 10 Version 1803 for 32-bit Systems 0 + Microsoft Windows 10 Version 1803 for 32-bit Systems 0 + Microsoft Windows 10 Version 1803 for x64-based Systems 0 + Microsoft Windows 10 Version 1803 for x64-based Systems 0 + Microsoft Windows Server 2016 0 + Microsoft Windows Server 2016 0 + Microsoft Windows Server 2016 0 + Microsoft Windows Server 2016 for x64-based Systems 0 + Microsoft Windows Server 2016 for x64-based Systems 0 + Microsoft Windows Server 2016 for x64-based Systems 0 + Microsoft Windows Server 2016 for x64-based Systems 0 + Microsoft Windows Server 2016 for x64-based Systems 0 Microsoft ChakraCore 0
Not Vulnerable:

Microsoft ChakraCore Scripting Engine CVE-2018-8276 Security Bypass Vulnerability

Microsoft ChakraCore 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 ChakraCore Scripting Engine CVE-2018-8276 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 ChakraCore Scripting Engine CVE-2018-8276 Security Bypass Vulnerability

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

Microsoft ChakraCore Scripting Engine CVE-2018-8276 Security Bypass Vulnerability

References:

• Microsoft Homepage (Microsoft)
  
• CVE-2018-8276 | Scripting Engine Security Feature Bypass Vulnerability (Microsoft)