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Sharp Zaurus SMB Unauthorized Access Vulnerability
Secunia Advisory: SA9126
Release Date: 2003-06-26
Popularity: 5,154 views

Critical:
Moderately critical
Impact: Manipulation of data
Exposure of system information
Exposure of sensitive information
Where: From local network
Solution Status: Unpatched

OS:Sharp Zaurus SL-5500
Sharp Zaurus SL-5600

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Description:
A vulnerability has been identified in Sharp Zaurus allowing malicious people to connect to the SMB / Samba service.

The problem is that Sharp Zaurus launches the Samba service, when Sharp Zaurus is placed in the docking station. The Samba service listens on all network devices by default and does not require authentication. This can be exploited to gain access to any file on the system.

The vulnerability has been reported to affect Sharp Zaurus SL-5500 and SL-5600 running flash ROM version 3.1.

Solution:
Configure Samba so that it only binds to the USB interface or de-active all other network interfaces when Zaurus is docked.

Provided and/or discovered by:
Bjorn Tore Sund


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