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Microsoft Vulnerability Research Advisory MSVR13-001

Vulnerability in Lenovo ThinkPad Bluetooth with Enhanced Data Rate Software Could Allow Arbitrary Code Execution


Version: 1.0


Executive Summary

Microsoft is providing notification of the discovery and remediation of a vulnerability affecting Lenovo ThinkPad Bluetooth with Enhanced Data Rate Software version and earlier versions. Microsoft discovered and disclosed the vulnerability under coordinated vulnerability disclosure to the affected vendor, Lenovo. Lenovo has remediated the vulnerability in their software.

A vulnerability exists in the way that the Lenovo Bluetooth with Enhanced Data Rate Software handles the loading of DLL files. An attacker who successfully exploited this vulnerability could run arbitrary code in the security context of the current user. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.

Microsoft Vulnerability Research reported this issue to and coordinated with Lenovo to ensure remediation of this issue. The vulnerability has been assigned the entry, CVE-2013-1361, in the Common Vulnerabilities and Exposures list.

For more information about the update from Lenovo, see the download drivers and software detail page for Bluetooth with Enhanced Data Rate Software for Windows 7 (32-bit, 64-bit), Vista (32-bit, 64-bit) - ThinkPad.

Mitigating Factors

  • For an attack to be successful, a user must visit an untrusted remote file system location or WebDAV share and open a document from this location that is then loaded by a vulnerable application.
  • The file sharing protocol SMB is often disabled on the perimeter firewall. This limits the possible attack vectors for this vulnerability.

Advisory Details

Purpose and Recommendation

Purpose of Advisory: To notify users of a vulnerability and its remediation.

Advisory Status: Advisory published.

Recommendation: Review the Suggested Actions section and configure as appropriate.

Issue References

For more information about this issue, see the following references:

Common Vulnerabilities and Exposures CVE-2013-1361

Affected and Non-Affected Software

This advisory discusses the following software:

Affected Software
Lenovo Thinkpad Bluetooth with Enhanced Data Rate Software and earlier versions
Non-Affected Software
Lenovo Thinkpad Bluetooth with Enhanced Data Rate Software

Frequently Asked Questions

Suggested Actions

Other Information


Microsoft thanks the following:

  • Haifei Li of Microsoft, and Lenovo for working toward a resolution


The information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.


  • V1.0 (January 15, 2013): Advisory published.