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TITLE:
BrewBlogger "authenticateUser()" SQL Injection Vulnerability

SECUNIA ADVISORY ID:
SA30983

VERIFY ADVISORY:
http://secunia.com/advisories/30983/

CRITICAL:
Moderately critical

IMPACT:
Manipulation of data

WHERE:
>From remote

SOFTWARE:
BrewBlogger 2.x
http://secunia.com/product/19278/

DESCRIPTION:
CWH Underground has discovered a vulnerability in BrewBlogger, which
can be exploited by malicious people to conduct SQL injection
attacks.

Input passed via the "username" parameter to the "authenticateUser()"
function in includes/authentication.inc.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 allows e.g. logging in as administrator
without valid administrator credentials, but requires that
"magic_quotes_gpc" is disabled.

The vulnerability is confirmed in version 2.1.0.1. Other versions may
also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
CWH Underground

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/6023

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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