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TITLE:
Woltlab Burning Board JGS-Portal SQL Injection Vulnerabilities

SECUNIA ADVISORY ID:
SA15396

VERIFY ADVISORY:
http://secunia.com/advisories/15396/

CRITICAL:
Moderately critical

IMPACT:
Manipulation of data

WHERE:
>From remote

SOFTWARE:
JGS-Portal 3.x (module for Woltlab Burning Board)
http://secunia.com/product/5031/

DESCRIPTION:
deluxe89 and the Security-Project Team has reported some
vulnerabilities in the JGS-Portal module for Woltlab Burning Board,
which can be exploited by malicious people to conduct SQL injection
attacks.

Certain input isn't properly sanitised before being used in a SQL
query. This can be exploited to manipulate SQL queries by injecting
arbitrary SQL code.

Examples:
http://[host]/jgs_portal.php?anzahl_beitraege=[code]
http://[host]/jgs_portal_statistik.php?meinaction=mitglieder&month=1&year=1[code]
http://[host]/jgs_portal_statistik.php?meinaction=themen&month=1&year=1[code]
http://[host]/jgs_portal_statistik.php?meinaction=beitrag&month=1&year=1[code]
http://[host]/jgs_portal_beitraggraf.php?month=1&year=1[code]
http://[host]/jgs_portal_viewsgraf.php?jahr=1&monat=1&tag=1[code]
http://[host]/jgs_portal_themengraf.php?month=1&year=1[code]
http://[host]/jgs_portal_mitgraf.php?month=1&year=1[code]
http://[host]/jgs_portal_sponsor.php?id=[code]
The "Accept-Language" HTTP header passed to "jgs_portal_log.php"

It is also possible to disclose the full path to certain scripts by
accessing them directly.

The vulnerabilities have been reported in version 3.0.2 and prior.
Other versions may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
deluxe89 and the Security-Project Team

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