From: Secunia Security Advisories (sec-advsecunia.com)
Date: Wed Feb 04 2009 - 13:24:05 CST

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TITLE:
Moodle Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA33775

VERIFY ADVISORY:
http://secunia.com/advisories/33775/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting, Exposure of sensitive information, Privilege
escalation, System access

WHERE:
From remote

SOFTWARE:
Moodle 1.6.x
http://secunia.com/advisories/product/11936/
Moodle 1.7.x
http://secunia.com/advisories/product/14720/
Moodle 1.8.x
http://secunia.com/advisories/product/14721/
Moodle 1.9.x
http://secunia.com/advisories/product/20714/

DESCRIPTION:
Some vulnerabilities have been reported in Moodle, which can
potentially be exploited by malicious, local users to perform certain
actions with escalated privileges, by malicious users to conduct
script insertion attacks or to compromise a vulnerable system, and by
malicious people to conduct cross-site scripting attacks or to
disclose sensitive information.

1) A vulnerability is caused due to the use of a vulnerable version
of Snoopy.

For more information:
SA32361

2) Unspecified input related to "HTML 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 users
browser session in context of an affected site when "Login as" is
used and "MyMoodle" or the blog page of the attacker is viewed.

3) Some security issues are caused due to the
lib/editor/htmlarea/plugins/SpellChecker/spell-check-logic.cgi script
creating temporary files in an insecure manner, which can be exploited
to e.g. overwrite arbitrary files via symlink attacks.

4) An unspecified error within the Calendar export can potentially be
exploited to disclose sensitive information.

5) Input passed via log reports is not properly sanitised before
being used. This can potentially be exploited to insert arbitrary
HTML and script code, which will be executed in a user's browser
session in the context of an affected site when the malicious data is
viewed.

6) A vulnerability is caused due to the application allowing users to
perform certain actions via HTTP requests without performing validity
checks to verify the request. This can be exploited to e.g. delete
forum posts when a logged-in user is tricked into visiting a
malicious web page.

SOLUTION:
Update to version 1.9.4, 1.8.8, 1.7.7, or 1.6.9.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits
1) Nigel McNie
2) The Rat
4) Daniel Cabezas
5) Full Name
6) Kevin Madura

ORIGINAL ADVISORY:
Moodle (MSA-09-0003, MSA-09-0004, MSA-09-0005, MSA-09-0006,
MSA-09-0008):
http://moodle.org/security/

OTHER REFERENCES:
SA32361:
http://secunia.com/advisories/32361/

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