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Patch Tuesday Fixes Critical Bluetooth Flaw in Windows 7

Patch Tuesday has arrived. As expected, Microsoft released a relatively small number of patches for July, but that is no reason for IT admins to let their guard down--especially when one of the patches is a Critical update for Windows 7 and Windows Vista.

There are three security bulletins rated as Important that impact Windows and Microsoft Office. One is related to Microsoft Visio, one is connected to the client / server runtime subsystem, and the third has to do with kernel-mode drivers. But, the security bulletin that is hogging the attention this month is MS11-053.

According to Microsoft, the critical flaw lays in the Windows Bluetooth Stack--the driver that enables Windows to connect with Bluetooth devices. An attacker may be able to remotely compromise and gain full access to a vulnerable system via its Bluetooth networking. Microsoft also points out, though, that this vulnerability only affects systems with Bluetooth capability.

Joshua Talbot, Security Intelligence Manager at Symantec Security Response, explains, "An attacker would exploit this by sending specific malicious data to the targeted computer while establishing a Bluetooth connection," adding that a successful exploit would grant the attacker complete access to the system without any alert or notification to warn the targeted user that a rogue PC has connected via Bluetooth.

More @ PC World
View: Microsoft Security Bulletin Summary for July 2011