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PacketFence Network Access Controller XSS vulnerability
[=======================================================
PacketFence Network Access Controller XSS vulnerability
=======================================================
# Title : Injection Flaw in PacketFence Network Access Controller
# Date : 20-12-2009
# Author : K053
# Tested on : Private Networks
# Download : http://www.packetfence.org/download/releases.html
______________________________________________________________________________________________
Note :
------
PacketFence is a fully supported, Free and Open Source network access control (NAC) system.
PacketFence is actively maintained and has been deployed in numerous large-scale institutions
over the past years. It can be used to effectively secure networks - from small to very large
heterogeneous networks.
______________________________________________________________________________________________
Bug [ Login.php ] :
-------------------
function check_input($input){
if(preg_match("/^[\@a-zA-Z0-9_\:\,\(\)]/", $input) && strlen($input) <= 15){
return true;
}
else{
print "Invalid parameter: $input<br>";
return false;
}
}
//TODO are we being too difficult on what we accept as a password? ie: pass starting with ; is invalid
function check_sensitive_input($input){
if(preg_match("/^[\@a-zA-Z0-9_\:\,\(\)]/", $input) && strlen($input) <= 15){
return true;
}
else{
print "Invalid sensitive parameter<br>";
return false;
}
}
______________________________________________________________________________________________
Poc :
-----
The Function fail on input validation on passed data, application is vulnerable to injection flaw like
Xss , Html Code injection ... :
Attacker can perform attack via post method : manipulate passed data or just enter something like
<script>alert(0)</script> in username filed .
______________________________________________________________________________________________
# 0day.today [2024-06-16] #