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TITLE:
Mahara Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA46719

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46719/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46719

RELEASE DATE:
2011-11-07

DISCUSS ADVISORY:
http://secunia.com/advisories/46719/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/46719/

ONLY AVAILABLE IN CUSTOMER AREA:
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https://ca.secunia.com/?page=viewadvisory&vuln_id=46719

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 disclose potentially sensitive
information, conduct script insertion attacks, and cause a DoS
(Denial of Service) and by malicious people to conduct cross-site
request forgery attacks.

1) Certain input related to the external feed block is not properly
sanitised 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.

2) The application processes overly large image dimensions being
passed to the image resizing functionality improperly. This can be
exploited to cause a DoS.

3) 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. adding users to an
institution if a logged-in administrator visits a malicious web
site.

4) An error in the "Reply to message" functionality can be exploited
to read other users messages by modifying the "replyto" parameter.

The vulnerabilities are reported in versions prior to 1.4.1.

SOLUTION:
Update to version 1.4.1

PROVIDED AND/OR DISCOVERED BY:
The vendor credits:
1, 4) Teemu Vesala.
2, 3) Richard Mansfield.

ORIGINAL ADVISORY:
https://launchpad.net/mahara/+milestone/1.4.1

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
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Please Note:
Secunia recommends that you verify all advisories you receive by
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Secunia NEVER sends attached files with advisories.
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use those supplied by the vendor.

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