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TITLE:
ATutor Cross-Site Scripting Vulnerabilities

SECUNIA ADVISORY ID:
SA15705

VERIFY ADVISORY:
http://secunia.com/advisories/15705/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
ATutor 1.x
http://secunia.com/product/5252/

DESCRIPTION:
Lostmon has reported some vulnerabilities in ATutor, which can be
exploited by malicious people to conduct cross-site scripting
attacks.

Some input isn't 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 a vulnerable site.

Examples:
http://[host]/browse.php?cat=0&show_course=1[code]
http://[host]/contact.php?subject=[code]
http://[host]/content.php?cid=323[code]
http://[host]/inbox/send_message.php?l=1[code]
http://[host]/search.php?search=10[code]&words=kk&include=all&find_in=this&display_as=pages&search=Search
http://[host]/search.php?search=1&words=aa[code]&include=one&find_in=all&display_as=summaries&search=Search
http://[host]/search.php?search=1&words=aa&include=one[code]&find_in=all&display_as=summaries&search=Search
http://[host]/search.php?search=1&words=aa&include=one&find_in=all[code&display_as=summaries&search=Search
http://[host]/search.php?search=1&words=aa&include=one&find_in=all&display_as=[code]summaries&search=Search
http://[host]/search.php?search=1&words=aa&include=one&find_in=all&display_as=summaries&search=[code]Search
http://[host]/inbox/index.php?view=1[code]
http://[host]/tile.php?query=yy&field=technicalFormat&submit=Search[code]
http://[host]/tile.php?query=[code]&field=technicalFormat&submit=Search
http://[host]/tile.php?query=yy&field=technicalFormat[code]&submit=Search
http://[host]/forum/subscribe_forum.php?fid=2&us=1[code]
http://[host]/directory.php?roles%5B%5D=[code]1&roles%5B%5D=2&roles%5B%5D=3&status=1&submit=Filter
http://[host]/directory.php?roles%5B%5D=1&roles%5B%5D=[code]2&roles%5B%5D=3&status=1&submit=Filter
http://[host]/directory.php?roles%5B%5D=1&roles%5B%5D=2&roles%5B%5D=3[code]&status=1&submit=Filter
http://[host]/directory.php?roles%5B%5D=1&roles%5B%5D=2&roles%5B%5D=3&status=1[code]&submit=Filter
http://[host]/directory.php?roles%5B%5D=1&roles%5B%5D=2&roles%5B%5D=3&status=1&submit=Filter[code]
http://[host]/directory.php?roles%5B%5D=1&status=2&reset_filter=Reset+Filter[code]
http://[host]/directory.php?roles[]=1[code]

The vulnerabilities have been reported in version 1.4.3 and 1.5 RC 1.
Other versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

PROVIDED AND/OR DISCOVERED BY:
Lostmon

ORIGINAL ADVISORY:
http://lostmon.blogspot.com/2005/06/atutor-multiple-variable-cross-site.html

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

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