medium
6.9
CWE
119 415
Advisory Published
Updated

CVE-2006-6696: Buffer Overflow

First published: Fri Dec 22 2006(Updated: )

Double free vulnerability in Microsoft Windows 2000, XP, 2003, and Vista allows local users to gain privileges by calling the MessageBox function with a MB_SERVICE_NOTIFICATION message with crafted data, which sends a HardError message to Client/Server Runtime Server Subsystem (CSRSS) process, which is not properly handled when invoking the UserHardError and GetHardErrorText functions in WINSRV.DLL.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Microsoft Windows Vista=beta
Microsoft Windows Server 2003=web-sp1_beta_1
Microsoft Windows Server 2003=datacenter_edition-sp1_beta_1
Microsoft Windows Server 2003=standard
Microsoft Windows XP=sp1
Microsoft Windows Server 2003=web
Microsoft Windows XP=gold
Microsoft Windows 2000
Microsoft Windows 2000=sp4
Microsoft Windows XP=sp2
Microsoft Windows XP
Microsoft Windows XP=sp1
Microsoft Windows Vista=beta2
Microsoft Windows 2000=sp2
Microsoft Windows Server 2003=standard-sp1_beta_1
Microsoft Windows Server 2003=web-sp1
Microsoft Windows 2000=sp1
Microsoft Windows Vista
Microsoft Windows Server 2003=sp1
Microsoft Windows XP=sp2
Microsoft Windows XP
Microsoft Windows Server 2003=enterprise_edition-sp1
Microsoft Windows Server 2003=standard-sp1
Microsoft Windows Vista=beta1
Microsoft Windows XP=sp2
Microsoft Windows Server 2003=enterprise_edition-sp1_beta_1
Microsoft Windows Server 2003=datacenter_edition
Microsoft Windows Server 2003=datacenter_edition-sp1
Microsoft Windows 2000=sp3

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2006-6696?

    CVE-2006-6696 is considered a critical vulnerability that allows local users to gain elevated privileges.

  • How do I fix CVE-2006-6696?

    To mitigate CVE-2006-6696, it is recommended to apply the latest security updates from Microsoft for affected Windows versions.

  • Which versions of Windows are affected by CVE-2006-6696?

    CVE-2006-6696 affects Microsoft Windows 2000, XP, 2003, and Vista, specifically including various service pack versions.

  • What type of attack does CVE-2006-6696 facilitate?

    CVE-2006-6696 facilitates privilege escalation attacks whereby an attacker can execute arbitrary code with elevated privileges.

  • Can CVE-2006-6696 be exploited remotely?

    CVE-2006-6696 requires local access to exploit, meaning it cannot be exploited remotely.

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