Directory traversal vulnerability in coin_includes/db.php in phpCOIN 1.2.2 allows remote attackers to read arbitrary local files via ".." (dot dot) sequences in the $_CCFG[_PKG_PATH_DBSE] variable.
http://www.vupen.com/english/advisories/2005/2888
http://www.securityfocus.com/archive/1/419382/100/0/threaded