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TITLE:
osTicket Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA15216

VERIFY ADVISORY:
http://secunia.com/advisories/15216/

CRITICAL:
Highly critical

IMPACT:
Cross Site Scripting, Manipulation of data, Exposure of sensitive
information, System access

WHERE:
>From remote

SOFTWARE:
osTicket 1.x
http://secunia.com/product/5033/

DESCRIPTION:
James Bercegay has reported some vulnerabilities in osTicket, 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, disclose sensitive information and compromise a
vulnerable system.

1) 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://[victim]/view.php?e=test@test.com&t=480826[code]
http://[victim]/include/header.php?osticket_title=%3C/title%3E[code]
http://[victim]/include/admin_login.php?em=asdf[code]
http://[victim]/include/user_login.php?e=asdf[code]
http://[victim]/include/open_submit.php?err=[code]

2) Input passed to the name and subject fields when adding a ticket
isn't properly sanitised before being used. This can be exploited to
inject arbitrary HTML and script code, which will be executed in a
user's browser session in context of an affected site when the
malicious user data is viewed.

3) Input passed to the "id" and "cat" parameters isn't properly
sanitised before being used in a SQL query. This can be exploited to
manipulate SQL queries by injecting arbitrary SQL code.

Successful exploitation requires user to be authenticated.

4) Input passed to the "include_dir" parameter in "main.php" isn't
properly verified, before it is used to include files. This can be
exploited to include arbitrary files from external and local
resources.

Successful exploitation requires that "register_globals" is enabled.

5) An input validation error in the handling of the "file" parameter
in "attachments.php" can be exploited to disclose arbitrary files via
directory traversal attacks.

Successful exploitation requires that file uploads are enabled (not
default setting).

SOLUTION:
The vulnerabilities have reportedly been fixed by the vendor.

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

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