Think you have a false positive on this rule?

Sid 1-48368

Message

BROWSER-IE Microsoft Internet Explorer VBScript Engine remote code execution attempt

Summary

This event is generated when a Microsoft Internet Explorer VBScript Engine remote code execution attempt is detected.

Impact

Attempted User Privilege Gain

CVE-2018-8552:

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-2018-8552: An information disclosure vulnerability exists when VBScript improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user's computer or data, aka "Windows Scripting Engine Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10.

Affected systems

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

Ease of attack

CVE-2018-8552:

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-2018-8552