September 13, 2011
Microsoft SharePoint is prone to a vulnerability that lets attackers access local files.
An attacker can exploit this vulnerability to retrieve local files from a vulnerable computer in the context of the vulnerable service. Information obtained may aid in further attacks.
- Microsoft Groove 2007 SP2
- Microsoft Groove Server 2010
- Microsoft Groove Server 2010 SP1
- Microsoft Office Forms Server 2007 SP2
- Microsoft Office Groove Data Bridge Server 2007 SP2
- Microsoft Office Groove Management Server 2007 SP2
- Microsoft Office Web Apps 2010
- Microsoft Office Web Apps 2010 SP1
- Microsoft SharePoint Foundation 2010
- Microsoft SharePoint Server 2007 SP2
- Microsoft SharePoint Server 2007 x64 SP2
- Microsoft SharePoint Server 2010 Enterprise Edition
- Microsoft SharePoint Server 2010 SP1
- Microsoft SharePoint Server 2010 Standard Edition
- Microsoft SharePoint Services 3.0 SP2
- Microsoft SharePoint Services 64-bit 3.0 SP2
- Microsoft SharePoint Workspace 2010
- Microsoft SharePoint Workspace 2010 SP1
Block external access at the network boundary, unless external parties require service.
Filter access to the affected computer at the network boundary if global access isn't required. Restricting access to only trusted computers and networks might greatly reduce the likelihood of a successful exploit.
Deploy network intrusion detection systems to monitor network traffic for malicious activity.
Deploy NIDS to detect and block attacks and anomalous activity. Review logs from network devices regularly.
Run all software as a nonprivileged user with minimal access rights.
Run all server software in a closed or restricted environment such as chroot or jail to limit the consequences of a successful exploit.
Permit privileged access for trusted individuals only.
Allow privileged access to software and resources to known and trusted individuals only.
Vendor updates are available. Please see the references for more information.
Nicolas Grégoire of Agarri
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