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AUSCERT External Security Bulletin Redistribution
Vulnerability in Bluetooth Stack Could Allow Remote Code
13 July 2011
AusCERT Security Bulletin Summary
Product: Windows Bluetooth Stack
Operating System: Windows Vista
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
CVE Names: CVE-2011-1265
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Microsoft Security Bulletin MS11-053 - Critical
Vulnerability in Bluetooth Stack Could Allow Remote Code Execution (2566220)
Published: July 12, 2011
This security update resolves a privately reported vulnerability in the Windows
Bluetooth Stack. The vulnerability could allow remote code execution if an
attacker sent a series of specially crafted Bluetooth packets to an affected
system. An attacker could then install programs; view, change, or delete data;
or create new accounts with full user rights. This vulnerability only affects
systems with Bluetooth capability.
This security update is rated Critical for all supported editions of Windows
Vista and Windows 7. For more information, see the subsection, Affected and
Non-Affected Software, in this section.
Windows Vista Service Pack 1
Windows Vista Service Pack 2
Windows Vista x64 Edition Service Pack 1
Windows Vista x64 Edition Service Pack 2
Windows 7 for 32-bit Systems and Windows 7 for 32-bit Systems Service
Windows 7 for x64-based Systems and Windows 7 for x64-based Systems
Service Pack 1
 Windows Vista Service Pack 1 is only affected when the optional Windows
Vista Feature Pack for Wireless has been installed. See the update FAQ for
Bluetooth Stack Vulnerability - CVE-2011-1265
A remote code execution vulnerability exists in the Windows Bluetooth 2.1 Stack
due to the way an object in memory is accessed when it has not been correctly
initialized or has been deleted. An attacker could exploit the vulnerability by
constructing a series of specially crafted Bluetooth packets and sending them
to the target machine. An attacker could then install programs; view, change,
or delete data; or create new accounts with full user rights.
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