Squid proxy caching server is prone to a denial-of-service
vulnerability.
###############################################################################
# OpenVAS Vulnerability Test
#
# Squid Proxy Caching Server CNAME Denial of Service Vulnerability
#
# Authors:
# Michael Meyer <[email protected]>
#
# Copyright:
# Copyright (c) 2011 Greenbone Networks GmbH
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), 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.
###############################################################################
CPE = "cpe:/a:squid-cache:squid";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.103320");
script_cve_id("CVE-2011-4096");
script_bugtraq_id(50449);
script_version("2019-07-05T10:41:31+0000");
script_name("Squid Proxy Caching Server CNAME Denial of Service Vulnerability");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_tag(name:"last_modification", value:"2019-07-05 10:41:31 +0000 (Fri, 05 Jul 2019)");
script_tag(name:"creation_date", value:"2011-11-01 08:00:00 +0100 (Tue, 01 Nov 2011)");
script_category(ACT_GATHER_INFO);
script_family("Denial of Service");
script_copyright("This script is Copyright (C) 2011 Greenbone Networks GmbH");
script_dependencies("secpod_squid_detect.nasl");
script_require_ports("Services/http_proxy", 3128, "Services/www", 8080);
script_mandatory_keys("squid_proxy_server/installed");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/50449");
script_xref(name:"URL", value:"http://bugs.squid-cache.org/show_bug.cgi?id=3237");
script_xref(name:"URL", value:"https://bugzilla.redhat.com/show_bug.cgi?id=750316");
script_xref(name:"URL", value:"http://permalink.gmane.org/gmane.comp.security.oss.general/6144");
script_tag(name:"summary", value:"Squid proxy caching server is prone to a denial-of-service
vulnerability.");
script_tag(name:"impact", value:"An attacker can exploit this issue to cause an affected application to
crash, denying service to legitimate users.");
script_tag(name:"solution", value:"Updates are available. Please see the references for more information.");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if( ! port = get_app_port( cpe:CPE ) ) exit( 0 );
if( ! vers = get_app_version( cpe:CPE, port:port ) ) exit( 0 );
if( version_is_equal( version:vers, test_version:"3.1.16" ) ) {
report = report_fixed_ver( installed_version:vers, fixed_version:"3.1.17" );
security_message( port:port, data:report );
exit( 0 );
}
exit( 99 );