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Category:   Application (VoIP)  >   PicoPhone Vendors:   Vitez Multimedia Solutions
PicoPhone Buffer Overflow Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1009551
SecurityTracker URL:  http://securitytracker.com/id/1009551
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Mar 24 2004
Impact:   Denial of service via network, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 1.63 and prior versions
Description:   Luigi Auriemma reported a buffer overflow vulnerability in PicoPhone. A remote user can execute arbitrary code on the target system.

It is reported that the logging function (enabled by default) contains a buffer overflow. A remote user can reportedly send a specially crafted packet to trigger the overflow and cause the software to crash or execute arbitrary code.

A demonstration exploit is available at:

http://aluigi.altervista.org/poc/picobof.zip

Impact:   A remote user can cause the target user's application to crash or to execute arbitrary code with the privileges of the target user.
Solution:   The vendor has released a fixed version (1.64), available at:

http://www.vitez.it/picophone/PicoPhone164.exe

Vendor URL:  www.vitez.it/picophone/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Windows (Any)

Message History:   None.


 Source Message Contents

Subject:  Buffer overflow in PicoPhone 1.63



#######################################################################

                              Luigi Auriemma

Application:  Picophone
               http://www.vitez.it/picophone/
Versions:     <= 1.63
Platforms:    Windows
Bug:          buffer overflow in the logging function
Risk:         high
Exploitation: remote
Date:         24 Mar 2004
Author:       Luigi Auriemma
               e-mail: aluigi@altervista.org
               web:    http://aluigi.altervista.org


#######################################################################


1) Introduction
2) Bug
3) The Code
4) Fix


#######################################################################

===============
1) Introduction
===============


PicoPhone is an Internet phone application with chat written by
Marko Vitez (http://www.vitez.it).


#######################################################################

======
2) Bug
======


PicoPhone has a logging function enabled by default letting users to
log any incoming call and message.
This function is vulnerable to a buffer-overflow letting an attacker to
take control of the PicoPhone server.


#######################################################################

===========
3) The Code
===========


http://aluigi.altervista.org/poc/picobof.zip


#######################################################################

======
4) Fix
======


Version 1.64


#######################################################################


---
Luigi Auriemma
http://aluigi.altervista.org



 
 


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