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TITLE:
Mahara Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA44433

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/44433/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=44433

RELEASE DATE:
2011-05-14

DISCUSS ADVISORY:
http://secunia.com/advisories/44433/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
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http://secunia.com/advisories/44433/

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https://ca.secunia.com/?page=viewadvisory&vuln_id=44433

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Multiple vulnerabilities have been reported in Mahara, which can be
exploited by malicious users to bypass certain security restrictions
and conduct script insertion attacks and by malicious people to
conduct cross-site request forgery attacks.

1) An error in artefact/plans/viewtasks.json.php,
artefact/blog/posts.json.php, and
blocktype/myfriends/myfriends.json.php when checking a user's
permission can be exploited to access restricted views.

2) An error in view/newviewtoken.json.php,
artefact/plans/tasks.json.php, and artefact/blog/view/index.json.php
when checking a user's permission can be exploited to edit restricted
views.

3) An error in admin/users/search.json.php due to the
"INSTITUTIONALADMIN" permission not being checked can be exploited to
search and suspend other users.
 
4) The application allows users to perform certain actions via HTTP
requests without performing any validity checks to verify the
requests. This can be exploited to e.g. create an arbitrary user with
administrative privileges if a logged-in administrative user visits a
malicious web site.

5) Input passed via certain email fields (e.g. title, body, and
author) as a result of forum posts and view feedback notifications is
not properly sanitised in artefact/comment/lib.php and
interaction/forum/lib.php before being used. This can be exploited to
insert arbitrary HTML and script code, which will be executed in a
user's browser session in context of an affected site when the
malicious data is being viewed.

The vulnerabilities are reported in version 1.3.5. Prior versions may
also be affected.

SOLUTION:
Update to version 1.3.6.

PROVIDED AND/OR DISCOVERED BY:
1, 2, 3, 5) Reporter by the vendor.
4) The vendor credits Bart van Delft.

ORIGINAL ADVISORY:
https://launchpad.net/mahara/+milestone/1.3.6

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
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private users keeping their systems up to date against the latest
vulnerabilities.

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