Microsoft Internet Explorer Scripting Engine CVE-2018-8242 Remote Memory Corruption Vulnerability

Bugtraq ID:	104620
Class:	Failure to Handle Exceptional Conditions
CVE:	CVE-2018-8242
Remote:	Yes
Local:	No
Published:	Jul 10 2018 12:00AM
Updated:	Jul 10 2018 12:00AM
Credit:	Yuki Chen of Qihoo 360 Vulcan Team and Anonymous working with Trend Micro's Zero Day Initiative.
Vulnerable:	Microsoft Internet Explorer 9 + Microsoft Windows 7 + Microsoft Windows 7 + Microsoft Windows 7 + Microsoft Windows 7 for 32-bit Systems SP1 + Microsoft Windows 7 for 32-bit Systems SP1 + Microsoft Windows 7 for 32-bit Systems SP1 + Microsoft Windows 7 for 32-bit Systems 0 + Microsoft Windows 7 for 32-bit Systems 0 + Microsoft Windows 7 for 32-bit Systems 0 + Microsoft Windows 7 for x64-based Systems SP1 + Microsoft Windows 7 for x64-based Systems SP1 + Microsoft Windows 7 for x64-based Systems SP1 + Microsoft Windows 7 for x64-based Systems 0 + Microsoft Windows 7 for x64-based Systems 0 + Microsoft Windows 7 for x64-based Systems 0 + Microsoft Windows 7 Home Premium - Sp1 X64 + Microsoft Windows 7 Home Premium - Sp1 X64 + Microsoft Windows 7 Home Premium - Sp1 X64 + Microsoft Windows 7 Home Premium - Sp1 X32 + Microsoft Windows 7 Home Premium - Sp1 X32 + Microsoft Windows 7 Home Premium - Sp1 X32 + Microsoft Windows Server 2008 R2 + Microsoft Windows Server 2008 R2 + Microsoft Windows Server 2008 R2 + Microsoft Windows Server 2008 for 32-bit Systems SP2 + Microsoft Windows Server 2008 for 32-bit Systems SP2 + Microsoft Windows Server 2008 for 32-bit Systems SP2 + Microsoft Windows Server 2008 for 32-bit Systems 0 + Microsoft Windows Server 2008 for 32-bit Systems 0 + Microsoft Windows Server 2008 for 32-bit Systems 0 + Microsoft Windows Server 2008 for x64-based Systems SP2 + Microsoft Windows Server 2008 for x64-based Systems SP2 + Microsoft Windows Server 2008 for x64-based Systems SP2 + Microsoft Windows Server 2008 for x64-based Systems 0 + Microsoft Windows Server 2008 for x64-based Systems 0 + Microsoft Windows Server 2008 for x64-based Systems 0 + Microsoft Windows Server 2008 R2 for x64-based Systems SP1 + Microsoft Windows Server 2008 R2 for x64-based Systems SP1 + Microsoft Windows Server 2008 R2 for x64-based Systems SP1 + Microsoft Windows Vista SP2 + Microsoft Windows Vista SP2 + Microsoft Windows Vista SP2 + Microsoft Windows Vista SP1 + Microsoft Windows Vista SP1 + Microsoft Windows Vista SP1 + Microsoft Windows Vista x64 Edition SP2 + Microsoft Windows Vista x64 Edition SP2 + Microsoft Windows Vista x64 Edition SP2 + Microsoft Windows Vista x64 Edition SP1 + Microsoft Windows Vista x64 Edition SP1 + Microsoft Windows Vista x64 Edition SP1 + Microsoft Windows Vista x64 Edition 0 + Microsoft Windows Vista x64 Edition 0 + Microsoft Windows Vista x64 Edition 0 Microsoft Internet Explorer 11 + 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 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 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 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 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 1803 for 32-bit Systems 0 + Microsoft Windows 10 Version 1803 for x64-based Systems 0 + Microsoft Windows 7 for 32-bit Systems SP1 + Microsoft Windows 7 for 32-bit Systems SP1 + Microsoft Windows 7 for 32-bit Systems SP1 + Microsoft Windows 7 for 32-bit Systems SP1 + Microsoft Windows 7 for 32-bit Systems SP1 + Microsoft Windows 7 for x64-based Systems SP1 + Microsoft Windows 7 for x64-based Systems SP1 + Microsoft Windows 7 for x64-based Systems SP1 + Microsoft Windows 7 for x64-based Systems SP1 + Microsoft Windows 7 for x64-based Systems SP1 + Microsoft Windows 8.1 for 32-bit Systems 0 + Microsoft Windows 8.1 for 32-bit Systems 0 + Microsoft Windows 8.1 for 32-bit Systems 0 + Microsoft Windows 8.1 for 32-bit Systems 0 + Microsoft Windows 8.1 for 32-bit Systems 0 + Microsoft Windows 8.1 for x64-based Systems 0 + Microsoft Windows 8.1 for x64-based Systems 0 + Microsoft Windows 8.1 for x64-based Systems 0 + Microsoft Windows 8.1 for x64-based Systems 0 + Microsoft Windows 8.1 for x64-based Systems 0 + Microsoft Windows Rt 8.1 - + Microsoft Windows Rt 8.1 - + Microsoft Windows Rt 8.1 - + Microsoft Windows Rt 8.1 - + Microsoft Windows Rt 8.1 - + Microsoft Windows Server 2016 + Microsoft Windows Server 2016 + Microsoft Windows Server 2016 + Microsoft Windows Server 2008 R2 for Itanium-based Systems SP2 + Microsoft Windows Server 2008 R2 for Itanium-based Systems SP2 + Microsoft Windows Server 2008 R2 for Itanium-based Systems SP2 + Microsoft Windows Server 2008 R2 for Itanium-based Systems SP2 + Microsoft Windows Server 2008 R2 for x64-based Systems SP1 + Microsoft Windows Server 2008 R2 for x64-based Systems SP1 + Microsoft Windows Server 2008 R2 for x64-based Systems SP1 + Microsoft Windows Server 2008 R2 for x64-based Systems SP1 + Microsoft Windows Server 2008 R2 for x64-based Systems SP1 + Microsoft Windows Server 2012 R2 0 + Microsoft Windows Server 2012 R2 0 + Microsoft Windows Server 2012 R2 0 + Microsoft Windows Server 2012 R2 0 + Microsoft Windows Server 2012 R2 0 Microsoft Internet Explorer 10 + Microsoft Windows 7 for 32-bit Systems SP1 + Microsoft Windows 7 for 32-bit Systems SP1 + Microsoft Windows 7 for x64-based Systems SP1 + Microsoft Windows 7 for x64-based Systems SP1 + Microsoft Windows 8 for 32-bit Systems 0 + Microsoft Windows 8 for 32-bit Systems 0 + Microsoft Windows 8 for x64-based Systems 0 + Microsoft Windows 8 for x64-based Systems 0 + Microsoft Windows RT 0 + Microsoft Windows RT 0 + Microsoft Windows Server 2008 R2 for x64-based Systems SP1 + Microsoft Windows Server 2008 R2 for x64-based Systems SP1 + Microsoft Windows Server 2012 0 + Microsoft Windows Server 2012 0 + Microsoft Windows Server 2012 0
Not Vulnerable:

Microsoft Internet Explorer Scripting Engine CVE-2018-8242 Remote Memory Corruption Vulnerability

Microsoft Internet Explorer is prone to a remote memory-corruption vulnerability.

Attackers can exploit this issue to execute arbitrary code in the context of the currently logged-in user. Failed attacks will cause denial of service conditions.

Internet Explorer 9, 10 and 11 are vulnerable.

Microsoft Internet Explorer Scripting Engine CVE-2018-8242 Remote Memory Corruption 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 Internet Explorer Scripting Engine CVE-2018-8242 Remote Memory Corruption Vulnerability

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

Microsoft Internet Explorer Scripting Engine CVE-2018-8242 Remote Memory Corruption Vulnerability

References:

• Microsoft Homepage (Microsoft)
  
• Microsoft Internet Explorer Homepage (Microsoft)
  
• CVE-2018-8242 | Scripting Engine Memory Corruption Vulnerability (Microsoft)