December 20, 2006
Microsoft Windows is prone to a local denial-of-service vulnerability because the operating system fails to handle certain API calls with unexpected parameters.
A local unprivileged attacker may exploit this issue by executing a malicious application.
Successful exploits will allow attackers to crash the operating system, denying further service to legitimate users.
Permit local access for trusted individuals only. Where possible, use restricted environments and restricted shells.
To reduce the likelihood of successful exploits, restrict local access to trusted individuals only.
Run all software as a nonprivileged user with minimal access rights.
Ensure that all non-administrative tasks, such as browsing the web and reading email, are performed as an unprivileged user with minimal access rights.
Do not accept or execute files from untrusted or unknown sources.
Do not accept files from untrusted users. This may reduce the chance of these issues being exploited.
Microsoft has released an advisory and fixes to address this issue. Please see the references for more information.
HP Storage Management Appliance is affected by the issue. Please see the referenced HP advisory for more information.
NULL is credited with the discovery of this issue.
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