high
7.2
CWE
476
Advisory Published
Updated

CVE-2011-1229: Null Pointer Dereference

First published: Wed Apr 13 2011(Updated: )

win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that triggers a NULL pointer dereference, a different vulnerability than other "Vulnerability Type 2" CVEs listed in MS11-034, aka "Win32k Null Pointer De-reference Vulnerability."

Credit: secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft Windows XP=sp3
Microsoft Windows Server=r2-sp1
Microsoft Windows Server=r2-sp1
Microsoft Windows Server
Microsoft Windows 7
Microsoft Windows Server 2003=sp2
Microsoft Windows Vista=sp1
Microsoft Windows Server=sp2
Microsoft Windows 7=sp1
Microsoft Windows Vista=sp2
Microsoft Windows XP=sp2
Microsoft Windows Server=r2
Microsoft Windows Server=r2
Microsoft Windows Vista=sp1
Microsoft Windows Server=sp2
Microsoft Windows Vista=sp2
Avaya Integrated Management
Avaya Meeting Exchange>=5.0.0<=5.2.0
Avaya Aura Conferencing Standard Edition=6.0.0
Avaya Communication Server 1000 Telephony Manager>=3.0.0<=4.0.0
Avaya CallPilot>=4.0.x<=5.0.x
Avaya Messaging Application Server>=4.0.x<=5.2.x
Avaya Web Messenger
Avaya Visual Vector Client
Avaya Unified Communication Center
Avaya Speech Access
Avaya Outbound Contact Management
Avaya Operational Analyst
Avaya Network Reporting
Avaya IP Softphone
Avaya IP Agent
Avaya Interaction Center
Avaya Enterprise Manager
Avaya Customer Interaction Express
Avaya Contact Center Express
Avaya Computer Telephony
Avaya CallVisor ASAI LAN
Avaya Call Management System Supervisor
Avaya Basic Call Management System Reporting Desktop
Avaya Agent Access
Avaya OctelAccess Server
Avaya Unified Messenger
Avaya VPNmanager Console
Avaya Octel Designer
Avaya Visual Messenger

Remedy

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-034

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-1229?

    CVE-2011-1229 has a critical severity rating as it allows local users to gain elevated privileges through a crafted application.

  • How do I fix CVE-2011-1229?

    To mitigate CVE-2011-1229, ensure that all affected Microsoft Windows versions are updated to the latest security patches.

  • Which versions of Windows are affected by CVE-2011-1229?

    CVE-2011-1229 affects Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008, and Windows 7.

  • What type of vulnerability is CVE-2011-1229?

    CVE-2011-1229 is a local privilege escalation vulnerability in the win32k.sys driver.

  • Can CVE-2011-1229 be exploited remotely?

    No, CVE-2011-1229 requires local access to exploit the vulnerability, making it less prone to remote attacks.

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