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TITLE:
DeluxeBB Cross-Site Scripting and SQL Injection

SECUNIA ADVISORY ID:
SA20813

VERIFY ADVISORY:
http://secunia.com/advisories/20813/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass, Cross Site Scripting, Manipulation of data

WHERE:
>From remote

SOFTWARE:
DeluxeBB 1.x
http://secunia.com/product/5702/

DESCRIPTION:
Two vulnerabilities have been discovered in DeluxeBB, which can be
exploited by malicious people to conduct cross-site scripting and SQL
injection attacks.

1) Input passed to the "xmsn" parameter in cp.php when updating the
personal settings isn't properly sanitised before being used in a SQL
query. This can be exploited to manipulate SQL queries by injecting
arbitrary SQL code.

This can further be exploited to create an account with
administrative privileges.

2) Input passed to the "to" parameter in pm.php 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 an affected site.

The vulnerabilities have been confirmed in version 1.07. Other
versions may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
1) Hessam-x
2) r0t

ORIGINAL ADVISORY:
1) http://pridels.blogspot.com/2006/06/deluxebb-107-xss-vuln.html
2) http://milw0rm.com/exploits/1953

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