XennoBB <= 2.1.0 "birthday" SQL injection

2006.08.10
Risk: High
Local: No
Remote: Yes
CWE: CWE-89


CVSS Base Score: 7.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

--------------------- SUMMARY --------------------- Name: XennoBB "birthday" SQL Injection (6/8/2006) Vendor / Product: XennoBB Group http://www.xennobb.com/ Description: The world's most revolutionary and easy to use bulletin board. Revolutionary because it redefines the boundaries of usability and power; from the first version it's a real alternative to the commercial forums out there. How can XennoBB be described in few words? Lightning-speed, stable, SECURED(?) and modern. Version(s) Affected: <= 2.1.0 Severity: High Impact: SQL Injection (Remote) Status: Unpatched Discovered by: Chris Boulton <http://www.surfionline.com> ------------------- DESCRIPTION ------------------- An exploit exists in the above mentioned versions of XennoBB which can be exploited by malicious users to conduct SQL injection attacks. Input passed to the "bday_day", "bday_month" and "bday_year form fields is not properly sanitised before being used in an SQL query. This exploit can lead to manipulation of SQL queries by injecting arbitary SQL code. --------------------- EXPLOIT --------------------- Submit a forged POST request to /profile.php?section=personal&id={your registered user ID here} With the following as the POST data: form_sent=1&form[sex]=a&bday_day=1&bday_month=2&bday_year=", group_id=1, birthday=" Successful exploitation leads to the user group being changed to that of Administrators.


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