1. Symantec/
  2. Security Response/
  3. Attack Signatures/
  4. Web Attack: MSIE CVE-2018-8373

Web Attack: MSIE CVE-2018-8373

Severity: High

This attack could pose a serious security threat. You should take immediate action to stop any damage or prevent further damage from happening.

Description

This signature detects attempts to exploit a remote memory corruption vulnerability in Microsoft Internet Explorer.

Additional Information

Microsoft Internet Explorer is prone to a remote memory-corruption vulnerability. Specifically, this issue occurs because the browser fails to properly handle objects in memory. This may allow attackers to embed an ActiveX control marked 'safe for initialization' in an application or Microsoft Office document that hosts the browser rendering engine.

Attackers can exploit this issue by enticing an unsuspecting user to view a specially crafted web page.

Successfully exploiting this issue allows remote attackers to execute arbitrary code in the context of the affected application.

Affected

  • 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
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