MS17-004 - K7 Labs

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CVE Number	Vulnerability	Product	Severity	Date
MS17-004	Security Update for Local Security Authority Subsystem Service (3216771)	Windows Vista	Important	11-01-2017

Technical Information

Brief overview of the risk:
A denial of service vulnerability exists in the way the Local Security Authority Subsystem Service (LSASS) handles authentication requests. An attacker who successfully exploited the vulnerability could cause a denial of service on the target system’s LSASS service, which triggers an automatic reboot of the system.

Detailed Information on the risk:

A denial of service vulnerability exists in the way the Local Security Authority Subsystem Service (LSASS) handles authentication requests. An attacker who successfully exploited the vulnerability could cause a denial of service on the target system’s LSASS service, which triggers an automatic reboot of the system.
To exploit the vulnerability an unauthenticated attacker could send a specially crafted authentication request.

Further information on this exploit is available at : MS17-004

Windows Vista Service Pack 2
Windows Vista x64 Edition Service Pack 2
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 for Itanium-based Systems Service Pack 2
Windows 7 for 32-bit Systems Service Pack 1
Windows 7 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for Itanium-based Systems Service Pack 1
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)

Technical Information

Affected Software