SQL injection vulnerability in index.php in GeodesicSolutions (1) GeoAuctions Premier 2.0.3 and (2) GeoClassifieds Basic 2.0.3 allows remote attackers to execute arbitrary SQL commands via the b parameter.
http://www.vupen.com/english/advisories/2006/3132
http://www.securityfocus.com/bid/67078
http://www.exploit-db.com/exploits/33075
http://secunia.com/advisories/58308
http://secunia.com/advisories/21340
http://packetstormsecurity.com/files/126329/GeoCore-MAX-DB-7.3.3-Blind-SQL-Injection.html