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HTC Products Bluetooth OBEX FTP Server Directory Traversal

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Release Date:  2009-01-27    Last Update:  2011-08-01    Views:  10,312

Secunia Advisory SA33598

Where:

From remote

Impact:

Security Bypass, Exposure of system information, Exposure of sensitive information

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Alberto Moreno Tablado has reported a vulnerability in multiple HTC products, which can be exploited by malicious users to disclose sensitive information and bypass certain security restrictions.

The vulnerability is caused due to an input validation error in the Bluetooth OBEX FTP server (obexfile.dll). This can be exploited to download or upload arbitrary files outside the root directory via directory traversal attacks.

Successful exploitation requires OBEX read or write access.

The vulnerability is reported in the following products and versions:
* HTC P3650 (OS version 5.2.19965)
* HTC P3600 (OS version 5.2.1933)
* HTC S710 (OS version 5.2.1235)
* HTC S740 (OS version 5.2.20279)
* HTC TOUCH DIAMOND (OS version 5.2.20275)
* HTC TOUCH PRO (OS version 5.2.19965)
* HTC TOUCH CRUISE (OS version 5.2.20765)
* HTC TOUCH FIND (OS version 5.2.1623)

Other HTC devices running Professional or Standard versions of Windows Mobile 6 or 6.1 may also be affected.


Solution:
Reportedly fixed in a Hotfix.

Provided and/or discovered by:
Alberto Moreno Tablado

Original Advisory:
HTC:
http://www.htc.com/europe/SupportDownload.aspx?p_id=133&cat=0&dl_id=609

Alberto Moreno Tablado:
http://www.seguridadmobile.com/windows-mobile/windows-mobile-security/Microsoft-Bluetooth-Stack-Directory-Traversal.html

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: HTC Products Bluetooth OBEX FTP Server Directory Traversal

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