February 12, 2008
Microsoft Internet Information Service (IIS) is prone to a local privilege-escalation vulnerability that occurs when handling file change notifications.
A local attacker can exploit this issue to execute arbitrary code with SYSTEM-level privileges. Successfully exploiting this issue will result in the complete compromise of affected computers.
- Avaya Messaging Application Server
- Avaya Messaging Application Server MM 1.1
- Avaya Messaging Application Server MM 2.0
- Avaya Messaging Application Server MM 3.0
- Avaya Messaging Application Server MM 3.1
- HP Storage Management Appliance 2.1
- Microsoft IIS 5.0
- Microsoft IIS 5.1
- Microsoft IIS 6.0
- Microsoft IIS 7.0
- Nortel Networks Centrex IP Client Manager 10.0
- Nortel Networks Centrex IP Client Manager 9.0
Permit local access for trusted individuals only. Where possible, use restricted environments and restricted shells.
To reduce the likelihood of attacks, allow access to trusted individuals only and implement restricted environments and privileges.
Disable any unneccessary default services.
Disable the FTP root and NNTP root services. This will prevent attackers from uploading malicious files into the FTP root and NNTP root folders.
Modify default ACL settings.
Ensure that the WWW folder does not allow write access to accounts that can execute user-controlled ASP pages.
Microsoft has released patches and an advisory to address this issue. Please see the references for more information.
The vendor reported this issue.
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