php -- readfile() DoS vulnerability

#
#VID 07f3fe15-a9de-11d9-a788-0001020eed82
# OpenVAS Vulnerability Test
# $
# Description: Auto generated from vuxml or freebsd advisories
#
# Authors:
# Thomas Reinke <[email protected]>
#
# Copyright:
# Copyright (c) 2008 E-Soft Inc. http://www.securityspace.com
# Text descriptions are largely excerpted from the referenced
# advisories, and are Copyright (c) the respective author(s)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2,
# as published by the Free Software Foundation
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#

include("revisions-lib.inc");
tag_insight = "The following packages are affected:
   mod_php4-twig
   php4-cgi
   php4-cli
   php4-dtc
   php4-horde
   php4-nms
   php4
   mod_php
   mod_php4

CVE-2005-0596
PHP 4 (PHP4) allows attackers to cause a denial of service (daemon
crash) by using the readfile function on a file whose size is a
multiple of the page size.";
tag_solution = "Update your system with the appropriate patches or
software upgrades.

http://bugs.php.net/bug.php?id=27037
http://www.novell.com/linux/security/advisories/2005_06_sr.html
http://www.vuxml.org/freebsd/07f3fe15-a9de-11d9-a788-0001020eed82.html";
tag_summary = "The remote host is missing an update to the system
as announced in the referenced advisory.";


if(description)
{
 script_id(52143);
 script_version("$Revision: 4128 $");
 script_tag(name:"last_modification", value:"$Date: 2016-09-22 07:37:51 +0200 (Thu, 22 Sep 2016) $");
 script_tag(name:"creation_date", value:"2008-09-04 20:41:11 +0200 (Thu, 04 Sep 2008)");
 script_cve_id("CVE-2005-0596");
 script_bugtraq_id(12665);
 script_tag(name:"cvss_base", value:"2.1");
 script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:N/I:N/A:P");
 script_name("php -- readfile() DoS vulnerability");



 script_category(ACT_GATHER_INFO);

 script_copyright("Copyright (c) 2005 E-Soft Inc. http://www.securityspace.com");
 script_family("FreeBSD Local Security Checks");
 script_dependencies("gather-package-list.nasl");
 script_mandatory_keys("ssh/login/freebsdrel", "login/SSH/success");
 script_tag(name : "insight" , value : tag_insight);
 script_tag(name : "solution" , value : tag_solution);
 script_tag(name : "summary" , value : tag_summary);
 script_tag(name:"qod_type", value:"package");
 script_tag(name:"solution_type", value:"VendorFix");
 exit(0);
}

#
# The script code starts here
#

include("pkg-lib-bsd.inc");

txt = "";
vuln = 0;
bver = portver(pkg:"mod_php4-twig");
if(!isnull(bver) && revcomp(a:bver, b:"4.3.5_7")<0) {
    txt += 'Package mod_php4-twig version ' + bver + ' is installed which is known to be vulnerable.\n';
    vuln = 1;
}
bver = portver(pkg:"php4-cgi");
if(!isnull(bver) && revcomp(a:bver, b:"4.3.5_7")<0) {
    txt += 'Package php4-cgi version ' + bver + ' is installed which is known to be vulnerable.\n';
    vuln = 1;
}
bver = portver(pkg:"php4-cli");
if(!isnull(bver) && revcomp(a:bver, b:"4.3.5_7")<0) {
    txt += 'Package php4-cli version ' + bver + ' is installed which is known to be vulnerable.\n';
    vuln = 1;
}
bver = portver(pkg:"php4-dtc");
if(!isnull(bver) && revcomp(a:bver, b:"4.3.5_7")<0) {
    txt += 'Package php4-dtc version ' + bver + ' is installed which is known to be vulnerable.\n';
    vuln = 1;
}
bver = portver(pkg:"php4-horde");
if(!isnull(bver) && revcomp(a:bver, b:"4.3.5_7")<0) {
    txt += 'Package php4-horde version ' + bver + ' is installed which is known to be vulnerable.\n';
    vuln = 1;
}
bver = portver(pkg:"php4-nms");
if(!isnull(bver) && revcomp(a:bver, b:"4.3.5_7")<0) {
    txt += 'Package php4-nms version ' + bver + ' is installed which is known to be vulnerable.\n';
    vuln = 1;
}
bver = portver(pkg:"php4");
if(!isnull(bver) && revcomp(a:bver, b:"4.3.5_7")<0) {
    txt += 'Package php4 version ' + bver + ' is installed which is known to be vulnerable.\n';
    vuln = 1;
}
bver = portver(pkg:"mod_php");
if(!isnull(bver) && revcomp(a:bver, b:"4.3.5_7,1")<0) {
    txt += 'Package mod_php version ' + bver + ' is installed which is known to be vulnerable.\n';
    vuln = 1;
}
bver = portver(pkg:"mod_php4");
if(!isnull(bver) && revcomp(a:bver, b:"4.3.5_7,1")<0) {
    txt += 'Package mod_php4 version ' + bver + ' is installed which is known to be vulnerable.\n';
    vuln = 1;
}

if(vuln) {
    security_message(data:string(txt));
} else if (__pkg_match) {
    exit(99); # Not vulnerable.
}