SecurityReason - AssetMan v2.5-b SQL Injection using Session Fixation Attack

Advisory Text :

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AssetMan v2.5-b SQL Injection using Session Fixation Attack
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AUTHOR : Neo Anderson & Rohit Bansal
DATE : 19th Sept,2008
Email : neo.whizzy@gmail.com & rohitisback@gmail.com

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# Site : http://www.bctree.com/~assetman
# Bug : SQL Injection using Session Fixation Attack
# File : search_inv.php
# Variable : GET variable 'order_by'

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# Impact of Vulnerability:

By exploiting this vulnerability, an attacker may conduct a session
fixation attack. In a session fixation attack, the attacker fixes the
user's session ID before the user even logs into the target server, thereby
eliminating the need to obtain the user's session ID afterwards.

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# Bug explanation - Session Fixation Attack/Meta Tag Exploitation:

By injecting a custom HTTP header or by injecting a META tag, it is
possible to alter the cookies stored in the browser. Attackers will
normally manipulate cookie values to fraudulently authenticate themselves
on a web site.

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# PoC:

http://127.0.0.1/assetman/search_inv.php?action=search_all&order_by=%3Cmeta
+http-equiv='Set-cookie'+content='=value'%3E&order=DESC+limit+1,1--

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# GreeTz
InfySec , str0ke & EvilFingers

www.infysec.com
www.evilfingers.com

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