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Sid 1-45878

Message

BROWSER-IE Microsoft Internet Explorer scripting engine memory corruption attempt

Summary

This event is generated when a user after free condition is used to trigger memory corruption in Internet Explorer

Impact

Attempted User Privilege Gain

CVE-2018-0935:

CVSS base score

CVSS impact score

CVSS exploitability score

Confidentiality Impact

Integrity Impact

Availability Impact

CVE-2018-8353:

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-2018-0935: Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows remote code execution, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0876, CVE-2018-0889, CVE-2018-0893, and CVE-2018-0925.

CVE-2018-8353: A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka "Scripting Engine Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10. This CVE ID is unique from CVE-2018-8355, CVE-2018-8359, CVE-2018-8371, CVE-2018-8372, CVE-2018-8373, CVE-2018-8385, CVE-2018-8389, CVE-2018-8390.

Affected systems

  • microsoft internet_explorer 9
  • microsoft internet_explorer 10
  • microsoft internet_explorer 11

Ease of attack

CVE-2018-0935:

Access Vector

Access Complexity

Authentication

CVE-2018-8353:

Access Vector

Access Complexity

Authentication

False positives

False negatives

Corrective action

Contributors

  • Cisco's Talos Intelligence Group

Additional References

  • portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2018-0935
  • portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2018-8353