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CVE-2018-0993: Out-of-bounds Write

May 13, 2022 (updated July 21, 2023)

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-2018-0979, CVE-2018-0980, CVE-2018-0990, CVE-2018-0994, CVE-2018-0995, CVE-2018-1019.

References

  • github.com/advisories/GHSA-7c7v-g484-j4cf
  • github.com/chakra-core/ChakraCore/commit/4bdd0efb1c309a0307cdfbd2856ca8cd88b154bb
  • nvd.nist.gov/vuln/detail/CVE-2018-0993
  • portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0993
  • web.archive.org/web/20210125210148/http://www.securityfocus.com/bid/103627
  • web.archive.org/web/20211207123630/http://www.securitytracker.com/id/1040650

Code Behaviors & Features

Detect and mitigate CVE-2018-0993 with GitLab Dependency Scanning

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Affected versions

All versions before 1.8.3

Fixed versions

  • 1.8.3

Solution

Upgrade to version 1.8.3 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-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
  • CWE-787: Out-of-bounds Write

Source file

nuget/Microsoft.ChakraCore/CVE-2018-0993.yml

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