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Sid 1-41997

Message

OS-WINDOWS Microsoft GDI+ privilege escalation attempt

Summary

The kernel-mode drivers in Microsoft Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability." This vulnerability is different from those described in CVE-2017-0024, CVE-2017-0026, CVE-2017-0056, CVE-2017-0078, CVE-2017-0079, CVE-2017-0080, CVE-2017-0082.

Impact

CVSS base score 7.8 CVSS impact score 5.9 CVSS exploitability score 1.8 confidentialityImpact HIGH integrityImpact HIGH availabilityImpact HIGH

CVE-2017-0081:

CVSS base score 7.8

CVSS impact score 5.9

CVSS exploitability score 1.8

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

CVE-2017-0188:

CVSS base score 3.3

CVSS impact score 1.4

CVSS exploitability score 1.8

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Detailed information

CVE-2017-0081: The kernel-mode drivers in Microsoft Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability." This vulnerability is different from those described in CVE-2017-0024, CVE-2017-0026, CVE-2017-0056, CVE-2017-0078, CVE-2017-0079, CVE-2017-0080, CVE-2017-0082.

CVE-2017-0188: A Win32k information disclosure vulnerability exists in Windows 8.1, Windows RT 8.1, Windows Server 2012, Windows Server 2012 R2, Windows 10, and Windows Server 2016 when the win32k component improperly provides kernel information. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user's system, aka "Win32k Information Disclosure Vulnerability." This CVE ID is unique from CVE-2017-0189.

Affected systems

  • microsoft windows_10 -
  • microsoft windows_10 1511
  • microsoft windows_10 1607
  • microsoft windows_8.1 *
  • microsoft windowsrt8.1 *
  • microsoft windowsserver2012 -
  • microsoft windowsserver2012 r2
  • microsoft windowsserver2016 *
  • microsoft windows_10 *
  • microsoft windows_10 1703
  • microsoft windowsrt8.1 -
  • microsoft windowsserver2012 *

Ease of attack

CVE-2017-0081:

Access Vector

Access Complexity

Authentication

CVE-2017-0188:

Access Vector

Access Complexity

Authentication

False positives

None known

False negatives

None known

Corrective action

Upgrade to the latest non-affected version of the software.

Apply the appropriate vendor supplied patches.

Contributors

  • Talos research team.
  • This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology.
  • For more information see nvd.

Additional References

  • technet.microsoft.com/en-us/security/bulletin/MS17-018