Check Point Advisories

Microsoft LSASS Authentication Process Integer Overflow (MS09-059; CVE-2009-2524) - high confidence

Vulnerability
Protection

Check Point Reference:	CPAI-2013-1664
Date Published:	15 Apr 2013
Severity:	High
Last Updated:	Wednesday 08 January, 2025
Source:	CVE-2009-2524
Protection Provided by:	Security Gateway R75
Who is Vulnerable?	Microsoft Windows XP Microsoft Windows Vista Microsoft Windows 7 Microsoft Windows Server 2003 Microsoft Windows Server 2008 Microsoft Windows Server 2008 R2
Vulnerability Description	An elevation of privilege vulnerability has been discovered in the Microsoft Windows Local Security Authority Subsystem Service (LSASS). The vulnerability is due to the Windows NTLM implementation in LSASS improper handling of malformed packets during NTLM authentication. A remote attacker could create a specially crafted anonymous NTLM authentication request that would cause a crash in the server-side LSASS process and restart the computer.
Update/Patch Avaliable	Apply patches from: MS09-059

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

In order for the protection to be activated, update your product to the latest update. For information on how to update , go to SBP-2006-05, Protection tab and select the version of your choice.

Security Gateway R75 / R71 / R70

In the IPS tab, click Protections and find the Microsoft LSASS Authentication Process Integer Overflow (MS09-059) - high confidence protection using the Search tool and Edit the protection's settings.
Install policy on all modules.

SmartView Tracker will log the following entries:
Attack Name: MS-RPC over CIFS Enforcement Violation
Attack Information: Microsoft LSASS Authentication Process Integer Overflow (MS09-059) - high confidence