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CVE-2018-8229: Access of Resource Using Incompatible Type ('Type Confusion')

June 14, 2018 (updated August 24, 2020)

A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka “Chakra Scripting Engine Memory Corruption Vulnerability.” This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-8227.

References

  • www.securityfocus.com/bid/104369
  • www.securitytracker.com/id/1041097
  • nvd.nist.gov/vuln/detail/CVE-2018-8229
  • portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8229
  • www.exploit-db.com/exploits/45013/

Code Behaviors & Features

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Affected versions

All versions before 1.8.4

Fixed versions

  • 1.8.4

Solution

Upgrade to version 1.8.4 or above.

Impact 7.5 HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')

Source file

nuget/Microsoft.ChakraCore/CVE-2018-8229.yml

Spotted a mistake? Edit the file on GitLab.

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