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Sid 1-47718

Message

OS-WINDOWS Microsoft Windows kernel information disclosure attempt

Summary

This event is generated when an attacker attempts to exploit CVE-2018-8442.

Impact

Attempted User Privilege Gain

CVE-2018-8442:

CVSS base score 5.5

CVSS impact score 3.6

CVSS exploitability score 1.8

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Detailed information

CVE-2018-8442: An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka "Windows Kernel Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8336, CVE-2018-8419, CVE-2018-8443, CVE-2018-8445, CVE-2018-8446.

Affected systems

  • microsoft windows_10 -
  • microsoft windows_10 1607
  • microsoft windows_10 1703
  • microsoft windows_10 1709
  • microsoft windows_10 1803
  • microsoft windows_7 -
  • microsoft windows_8.1 -
  • microsoft windowsrt8.1 -
  • microsoft windowsserver2008 -
  • microsoft windowsserver2008 r2
  • microsoft windowsserver2012 -
  • microsoft windowsserver2012 r2
  • microsoft windowsserver2016 -
  • microsoft windowsserver2016 1709
  • microsoft windowsserver2016 1803

Ease of attack

CVE-2018-8442:

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-2018-8442