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Sid 1-42749

Message

BROWSER-IE Microsoft Edge scripting engine postMessage use after free attempt

Summary

A remote code execution vulnerability exists in Microsoft Edge in the way that the Chakra JavaScript engine renders when handling objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This CVE ID is unique from CVE-2017-0224, CVE-2017-0228, CVE-2017-0229, CVE-2017-0230, CVE-2017-0234, CVE-2017-0235, and CVE-2017-0238.

Impact

CVSS base score 7.5 CVSS impact score 5.9 CVSS exploitability score 1.6 confidentialityImpact HIGH integrityImpact HIGH availabilityImpact HIGH

CVE-2017-0236:

CVSS base score 7.5

CVSS impact score 5.9

CVSS exploitability score 1.6

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

CVE-2017-11889:

CVSS base score 7.5

CVSS impact score 5.9

CVSS exploitability score 1.6

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

CVE-2017-8753:

CVSS base score 7.5

CVSS impact score 5.9

CVSS exploitability score 1.6

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Detailed information

CVE-2017-0236: A remote code execution vulnerability exists in Microsoft Edge in the way that the Chakra JavaScript engine renders when handling objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This CVE ID is unique from CVE-2017-0224, CVE-2017-0228, CVE-2017-0229, CVE-2017-0230, CVE-2017-0234, CVE-2017-0235, and CVE-2017-0238.

CVE-2017-11889: ChakraCore and Microsoft Edge in Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows an attacker to execute arbitrary code in the context of the current user, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11886, CVE-2017-11890, CVE-2017-11893, CVE-2017-11894, CVE-2017-11895, CVE-2017-11901, CVE-2017-11903, CVE-2017-11905, CVE-2017-11907, CVE-2017-11908, CVE-2017-11909, CVE-2017-11910, CVE-2017-11911, CVE-2017-11912, CVE-2017-11913, CVE-2017-11914, CVE-2017-11916, CVE-2017-11918, and CVE-2017-11930.

CVE-2017-8753: Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows an attacker to execute arbitrary code in the context of the current user, due to the way that the Microsoft Edge scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8649, CVE-2017-8660, CVE-2017-8729, CVE-2017-8738, CVE-2017-8740, CVE-2017-8741, CVE-2017-8748, CVE-2017-8752, CVE-2017-8755, CVE-2017-8756, and CVE-2017-11764.

Affected systems

  • microsoft edge *
  • microsoft edge -

Ease of attack

CVE-2017-0236:

Access Vector

Access Complexity

Authentication

CVE-2017-11889:

Access Vector

Access Complexity

Authentication

CVE-2017-8753:

Access Vector

Access Complexity

Authentication

False positives

None known

False negatives

None known

Corrective action

Contributors

  • Talos research team.
  • This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology.
  • For more information see nvd.

Additional References

  • portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-11889
  • portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2018-0872