Microsoft Windows CSRSS winsrv NULL Pointer Code Execution (MS11-056; CVE-2011-1282)
| Check Point Reference: | CPAI-2011-337 | |
| Date Published: | ||
| Severity: | ||
| Source: | Microsoft Security Bulletin MS11-056 | |
| Industry Reference(s): | CVE-2011-1282 | |
| Protection Provided by: |
Security Gateway
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| Who is Vulnerable? Windows XP Service Pack 3 Windows XP Professional x64 Edition Service Pack 2 Windows Server 2003 Service Pack 2 Windows Server 2003 x64 Edition Service Pack 2 Windows Server 2003 with SP2 for Itanium-based Systems Windows Vista Service Pack 1 and Windows Vista Service Pack 2 Windows Vista x64 Edition Service Pack 1 and Windows Vista x64 Edition Service Pack 2 Windows Server 2008 for 32-bit Systems and Windows Server 2008 for 32-bit Systems Service Pack 2 Windows Server 2008 for x64-based Systems and Windows Server 2008 for x64-based Systems Service Pack 2 Windows Server 2008 for Itanium-based Systems and Windows Server 2008 for Itanium-based Systems Service Pack 2 Windows 7 for 32-bit Systems and Windows 7 for 32-bit Systems Service Pack 1 Windows 7 for x64-based Systems and Windows 7 for x64-based Systems Service Pack 1 Windows Server 2008 R2 for x64-based Systems and Windows Server 2008 R2 for x64-based Systems Service Pack 1 Windows Server 2008 R2 for Itanium-based Systems and Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 | ||
| Vulnerability Description An elevation of privilege vulnerability has been reported in Windows CSRSS. Attackers can exploit this vulnerability to run arbitrary code in kernel mode. Successful exploitation of this vulnerability may result in complete control of an attacker over an affected system. |
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Update/Patch Available Apply patch from: Microsoft Security Bulletin MS11-056 |
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Vulnerability Details This is an elevation of privilege vulnerability. The vulnerability is due to CSRSS memory corruption issue that can allow code execution in the system context. Successful exploitation by an attacker may result in complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. |
Protection Overview
This protection will detect and block attempts to exploit this vulnerability.
In order for the protection to be activated, update your Security Gateway/VPN-1 product to the latest IPS/SmartDefense update. For information on how to update IPS/SmartDefense, go to SBP-2006-05, Protection tab and select the version of your choice.
To configure the defense, select your product from the list below and follow the related protection steps.