PHP 5.3.7 contains a flaw where if crypt() is executed with MD5 salts, the
return value conists of the salt only.
This issue only affects version 5.3.7, it does not affect any prior
versions. PHP 5.3.8 is expected to be released soon which will fix this
Not vulnerable. This issue did not affect the versions of php as shipped with Red Hat Enterprise Linux 4, 5, or 6.
PHP 5.3.8 has been released to correct this flaw.