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TITLE:
Dokeos Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA34879

VERIFY ADVISORY:
http://secunia.com/advisories/34879/

DESCRIPTION:
Some vulnerabilities have been reported in Dokeos, which can be
exploited by malicious users to disclose potentially sensitive
information and conduct SQL injection or script insertion attacks,
and by malicious people to conduct cross-site scripting and request
forgery attacks.

1) Input passed to the "search_term" parameter in
main/auth/courses.php (if action is set to "subscribe") is not
properly sanitised before being returned to the user.

2) Input passed to the "frm_title" and "frm_content" parameters when
adding a new personal agenda item 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 the
context of an affected site when the malicious agenda item is
displayed.

Note: Personal agenda items are usually not accessible to other
members.

3) The application allows users to perform certain actions via HTTP
requests without performing any validation checks to verify the
requests. This can be exploited to e.g. add new personal agenda items
when a logged in user views a malicious web page.

Note: In combination with vulnerability #2, this can be exploited to
execute arbitrary HTML and script code in a user's browser session in
context of an affected site.

4) Input passed to the "title" and "tutor_name" parameters when
adding a new course 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 the context of an
affected site when the malicious course data is displayed.

Successful exploitation requires privileges to create a new course.

5) Input passed to the "student" and "course" parameters in
main/mySpace/myStudents.php is not properly sanitised before being
used in SQL queries. This can be exploited to manipulate SQL queries
by injecting arbitrary SQL code.

6) Input passed to the "student" and "course" parameters in
main/mySpace/myStudents.php is not properly sanitised before being
returned to the user. This can be exploited to execute arbitrary HTML
and script code in a user's browser session in context of an affected
site.

7) Some vulnerabilities are caused due to unspecified errors, which
can be exploited to e.g. disclose arbitrary files via directory
traversal attacks. Further information is currently not available.

SOLUTION:
Apply patch.
http://www.dokeos.com/download/security/20090512/patch-dokeos-1.8.5-20090512.zip

PROVIDED AND/OR DISCOVERED BY:
1-6) Russ McRee
7) The vendor credits Gerendi Sandor Attila

ORIGINAL ADVISORY:
Dokeos:
http://www.dokeos.com/wiki/index.php/Security#Dokeos_1.8

Russ McRee HIO-2009-0416:
http://holisticinfosec.org/content/view/112/45/

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