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CVE-2016-7202: Improper Restriction of Operations within the Bounds of a Memory Buffer

May 14, 2022 (updated July 28, 2023)

The scripting engines in Microsoft Internet Explorer 9 through 11 and Microsoft Edge allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka “Scripting Engine Memory Corruption Vulnerability,” as demonstrated by the Chakra JavaScript engine, a different vulnerability than CVE-2016-7200, CVE-2016-7201, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243.

References

  • www.zerodayinitiative.com/advisories/ZDI-16-593
  • docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-129
  • docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-144
  • github.com/advisories/GHSA-mmfq-r3rg-8r7w
  • github.com/chakra-core/ChakraCore/commit/c2787ef8fdb7401922e9ec6540e4e5895d11c631
  • github.com/chakra-core/ChakraCore/pull/2196
  • nvd.nist.gov/vuln/detail/CVE-2016-7202
  • web.archive.org/web/20210123185141/http://www.securityfocus.com/bid/94042
  • web.archive.org/web/20211126224744/http://www.securitytracker.com/id/1037245
  • www.exploit-db.com/exploits/40786/
  • www.exploit-db.com/exploits/40793/

Code Behaviors & Features

Detect and mitigate CVE-2016-7202 with GitLab Dependency Scanning

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Affected versions

All versions before 1.2.2

Fixed versions

  • 1.2.2

Solution

Upgrade to version 1.2.2 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-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Source file

nuget/Microsoft.ChakraCore/CVE-2016-7202.yml

Spotted a mistake? Edit the file on GitLab.

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