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Sid 1-45122

Message

BROWSER-IE Microsoft Internet Explorer use after free attempt

Summary

This event is generated when an attempt is made to exploit a use after free condition in Microsoft Internet explorer.

Impact

Attempted User Privilege Gain

CVE-2017-11888:

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-2017-11888: Microsoft Edge in Microsoft 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 Microsoft Edge handles objects in memory, aka "Microsoft Edge Memory Corruption Vulnerability".

Affected systems

  • microsoft edge -

Ease of attack

CVE-2017-11888:

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-2017-11888
  • portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2018-8123
  • portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2018-8297