CVE-2018-8631

Description

A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10.

Affected products

• microsoft / Internet Explorer 10Windows Server 2012 – Windows Server 2012
• microsoft / Internet Explorer 11Windows 10 Version 1803 for ARM64-based Systems – Windows 10 Version 1803 for ARM64-based Systems
• microsoft / Internet Explorer 11Windows Server 2016 – Windows Server 2016
• microsoft / Internet Explorer 11Windows Server 2019 – Windows Server 2019
• microsoft / Internet Explorer 11Windows 10 for 32-bit Systems – Windows 10 for 32-bit Systems
• microsoft / Internet Explorer 11Windows 10 for x64-based Systems – Windows 10 for x64-based Systems
• microsoft / Internet Explorer 11Windows 10 Version 1607 for 32-bit Systems – Windows 10 Version 1607 for 32-bit Systems
• microsoft / Internet Explorer 11Windows 10 Version 1607 for x64-based Systems – Windows 10 Version 1607 for x64-based Systems
• microsoft / Internet Explorer 11Windows 10 Version 1703 for 32-bit Systems – Windows 10 Version 1703 for 32-bit Systems
• microsoft / Internet Explorer 11Windows 10 Version 1703 for x64-based Systems – Windows 10 Version 1703 for x64-based Systems
• microsoft / Internet Explorer 11Windows 10 Version 1709 for 32-bit Systems – Windows 10 Version 1709 for 32-bit Systems
• microsoft / Internet Explorer 11Windows 10 Version 1709 for ARM64-based Systems – Windows 10 Version 1709 for ARM64-based Systems
• microsoft / Internet Explorer 11Windows 10 Version 1709 for x64-based Systems – Windows 10 Version 1709 for x64-based Systems
• microsoft / Internet Explorer 11Windows 10 Version 1803 for 32-bit Systems – Windows 10 Version 1803 for 32-bit Systems
• microsoft / Internet Explorer 11Windows 8.1 for 32-bit systems – Windows 8.1 for 32-bit systems
• microsoft / Internet Explorer 11Windows 10 Version 1803 for x64-based Systems – Windows 10 Version 1803 for x64-based Systems
• microsoft / Internet Explorer 11Windows 10 Version 1809 for 32-bit Systems – Windows 10 Version 1809 for 32-bit Systems
• microsoft / Internet Explorer 11Windows 10 Version 1809 for ARM64-based Systems – Windows 10 Version 1809 for ARM64-based Systems
• microsoft / Internet Explorer 11Windows 10 Version 1809 for x64-based Systems – Windows 10 Version 1809 for x64-based Systems
• microsoft / Internet Explorer 11Windows 7 for 32-bit Systems Service Pack 1 – Windows 7 for 32-bit Systems Service Pack 1
• microsoft / Internet Explorer 11Windows 7 for x64-based Systems Service Pack 1 – Windows 7 for x64-based Systems Service Pack 1
• microsoft / Internet Explorer 11Windows 8.1 for x64-based systems – Windows 8.1 for x64-based systems
• microsoft / Internet Explorer 11Windows RT 8.1 – Windows RT 8.1
• microsoft / Internet Explorer 11Windows Server 2008 R2 for x64-based Systems Service Pack 1 – Windows Server 2008 R2 for x64-based Systems Service Pack 1
• microsoft / Internet Explorer 11Windows Server 2012 R2 – Windows Server 2012 R2
• microsoft / Internet Explorer 9Windows Server 2008 for x64-based Systems Service Pack 2 – Windows Server 2008 for x64-based Systems Service Pack 2
• microsoft / Internet Explorer 9Windows Server 2008 for 32-bit Systems Service Pack 2 – Windows Server 2008 for 32-bit Systems Service Pack 2

Exploits & proofs of concept

• exploit-dbMicrosoft Windows - 'jscript!JsArrayFunctionHeapSort' Out-of-Bounds Writeby Google Security Research

References

• MISChttp://www.securityfocus.com/bid/106118
• VENDOR_ADVISORYhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8631
• EXPLOIThttps://www.exploit-db.com/exploits/46001/