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CVE-2018-0939: Out-of-bounds Write

May 13, 2022 (updated July 20, 2023)

ChakraCore and Microsoft Edge in Windows 10 1703 and 1709 allow information disclosure, due to how the scripting engine handles objects in memory, aka “Scripting Engine Information Disclosure Vulnerability”. This CVE ID is unique from CVE-2018-0891.

References

  • github.com/advisories/GHSA-xgcc-r2f3-rq6p
  • github.com/chakra-core/ChakraCore/commit/090277e7a5ea1d938777acb92e7b6759936ea974
  • nvd.nist.gov/vuln/detail/CVE-2018-0939
  • portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0939
  • web.archive.org/web/20201021051922/http://www.securitytracker.com/id/1040507
  • web.archive.org/web/20210124145017/http://www.securityfocus.com/bid/103305

Code Behaviors & Features

Detect and mitigate CVE-2018-0939 with GitLab Dependency Scanning

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Affected versions

All versions before 1.8.2

Fixed versions

  • 1.8.2

Solution

Upgrade to version 1.8.2 or above.

Impact 4.3 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-787: Out-of-bounds Write

Source file

nuget/Microsoft.ChakraCore/CVE-2018-0939.yml

Spotted a mistake? Edit the file on GitLab.

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