The remote host is running a version of PHP which is older than 5.0.3 or 4.3.10.
The remote version of this software is vulnerable to various security issues that may, under certain circumstances, allow attackers to execute arbitrary code on the remote host, provided that they can pass arbitrary data to some functions or bypass safe_mode.
Binary data 2460.prm
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1018
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1019
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1020
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1063
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1064
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1065
www.php.net/ChangeLog-4.php#4.3.10
www.php.net/ChangeLog-5.php#5.0.3