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Sid 1-47737

Message

BROWSER-IE Microsoft Edge type confusion memory corruption attempt

Summary

This event is generated when an attacker attempts to exploit CVE-2018-8391.

Impact

Attempted User Privilege Gain

CVE-2018-8391:

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-2018-8391: A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore. This CVE ID is unique from CVE-2018-8354, CVE-2018-8456, CVE-2018-8457, CVE-2018-8459.

Affected systems

  • microsoft chakracore -

Ease of attack

CVE-2018-8391:

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-2018-8391