Check Point Advisories

Microsoft SMB Client Response Parsing Code Execution (MS10-020; CVE-2010-0270)

Vulnerability
Protection

Check Point Reference:	CPAI-2012-081
Date Published:	5 Mar 2012
Severity:	Critical
Last Updated:	Thursday 25 April, 2024
Source:	CVE-2010-0270
Protection Provided by:	Security Gateway R75
Who is Vulnerable?	Windows Server 2003 SP2 Windows Server 2003 x64 Edition SP2 Windows Server 2003 with SP2 (Itanium) Windows Vista Windows Vista SP1 Windows Vista SP2 Windows Vista x64 Edition Windows Vista x64 Edition SP1 Windows Vista x64 Edition SP2 Windows Server 2008 for 32-bit Systems Windows Server 2008 for 32-bit Systems SP2 Windows Server 2008 for x64-based Systems Windows Server 2008 for x64-based Systems SP2 Windows Server 2008 (Itanium) Windows Server 2008 (Itanium) SP2 Windows 7 for 32-bit Systems Windows 7 for x64-based Systems Windows Server 2008 R2 for x64-based Systems Windows Server 2008 R2 (Itanium)
Vulnerability Description	A remote code execution vulnerability has been reported in the Microsoft Windows Server Message Block (SMB) client implementation.
Vulnerability Details	The vulnerability is due to an error in the Microsoft SMB client implementation that fails to properly parse specially crafted SMB transaction responses. A remote attacker could exploit this flaw by hosting a malicious SMB server that is designed to exploit this vulnerability and then convince a user to initiate an SMB connection with it. Successful exploitation may allow execution of arbitrary code on the target system.

Protection Overview

This protection will detect and block malformed SMB transaction packets.

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 SMB Client Response Parsing Code Execution (MS10-020) 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: Windows SMB Protection Violation
Attack Information: Microsoft SMB client response parsing code execution (MS10-020)