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TITLE:
Kayako SupportSuite Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA31431

VERIFY ADVISORY:
http://secunia.com/advisories/31431/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting, Manipulation of data

WHERE:
>From remote

SOFTWARE:
Kayako SupportSuite 3.x
http://secunia.com/product/6712/

DESCRIPTION:
James Bercegay has reported some vulnerabilities in Kayako
SupportSuite, which can be exploited by malicious users to conduct
SQL injection attacks, and by malicious people to conduct cross-site
scripting and script insertion attacks.

1) Input passed to the "sessionid" parameter in visitor/index.php and
"filter" in index.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.

2) Input passed to the "Full Name" form field when creating an
account, opening a ticket, or requesting a chat is not properly
sanitised before being stored. This can be exploited to insert
arbitrary HTML and script code, which is executed in a user's browser
session in context of an affected site when the malicious data is
viewed.

3) Input passed to the "customfieldlinkid" parameter in
staff/index.php is not properly sanitised before being used in SQL
queries. This can be exploited to manipulate SQL queries by injecting
arbitrary SQL code.

Successful exploitation of this vulnerability requires valid staff
credentials and knowledge of a ticket ID to a ticket that the staff
user has access to.

The vulnerabilities are reported in version 3.20.02. Other versions
may also be affected.

SOLUTION:
Fixed in version 3.30.00 RC3.

Filter malicious characters and character sequences in a web proxy.

PROVIDED AND/OR DISCOVERED BY:
James Bercegay, GulfTech Security Research Team

ORIGINAL ADVISORY:
Kayako:
http://forums.kayako.com/f56/3-30-00-release-candigate-3-a-18214/

GulfTech:
http://www.gulftech.org/?node=research&article_id=00123-08092008

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