bugtraq - Heap overflow in Sybase MobiLink 10.0.1.3629

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Date: Wed, 20 Feb 2008 22:26:19 +0100
From: Luigi Auriemma <aluigi@...istici.org>
To: bugtraq@...urityfocus.com, news@...uriteam.com,
	full-disclosure@...ts.grok.org.uk, vuln@...unia.com,
	packet@...ketstormsecurity.org
Subject: Heap overflow in Sybase MobiLink 10.0.1.3629


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

                             Luigi Auriemma

Application:  Sybase MobiLink
              http://www.sybase.com/developer/mobile/sqlanywhere/mobilink
Versions:     <= 10.0.1.3629
Platforms:    Windows and Linux/Unix
Bug:          heap overflow
Exploitation: remote
Date:         20 Feb 2008
Author:       Luigi Auriemma
              e-mail: aluigi@...istici.org
              web:    aluigi.org


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


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


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

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


MobiLink is a centralized synchronization server for mobile platforms
included in the Sybase SQL Anywhere package.


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

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


The MobiLink server is affected by a heap overflow which happens during
the handling of some strings like username, version and remote ID (all
pre-auth) when have a lenght major than 128 bytes.


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

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


http://aluigi.org/poc/mobilinkhof.zip


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

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


No fix


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


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