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Sid 1-40759

Message

OS-WINDOWS Microsoft Windows LSASS GSS-API DER decoding null pointer dereference attempt

Summary

Local Security Authority Subsystem Service (LSASS) in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, and 1607, and Windows Server 2016 allows remote authenticated users to cause a denial of service (system hang) via a crafted request, aka "Local Security Authority Subsystem Service Denial of Service Vulnerability."

Impact

CVSS base score 6.5 CVSS impact score 3.6 CVSS exploitability score 2.8 confidentialityImpact NONE integrityImpact NONE availabilityImpact NONE

Detailed information

Affected systems

  • microsoft windows_10 -
  • microsoft windows_10 1511
  • microsoft windows_10 1607
  • microsoft windows_7 *
  • microsoft windows_8.1 *
  • microsoft windowsrt8.1 *
  • microsoft windowsserver2008 *
  • microsoft windowsserver2008 r2
  • microsoft windowsserver2012 -
  • microsoft windowsserver2012 r2
  • microsoft windowsserver2016 *
  • microsoft windows_vista *

Ease of attack

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/MS16-137
  • technet.microsoft.com/en-us/security/bulletin/MS17-004