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TITLE:
Link Bid Two SQL Injection Vulnerabilities

SECUNIA ADVISORY ID:
SA31853

VERIFY ADVISORY:
http://secunia.com/advisories/31853/

CRITICAL:
Moderately critical

IMPACT:
Manipulation of data

WHERE:
>From remote

SOFTWARE:
Link Bid 1.x
http://secunia.com/advisories/product/19854/

DESCRIPTION:
SirGod has discovered two vulnerabilities in Link Bid, which can be
exploited by malicious people or users to conduct SQL injection
attacks.

1) Input passed to the "ucat" parameter in upgrade.php is not
properly sanitised before being used in SQL queries. This can be
exploited to manipulate SQL queries by injecting arbitrary SQL code.

2) Input passed to the "id" parameter in linkadmin/edit.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 of this vulnerability requires valid
administrator credentials.

The vulnerabilities are confirmed in version 1.5. Other versions may
also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
SirGod

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/6466

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