This host is running Squid and is prone
to multiple denial of service vulnerabilities.
##############################################################################
# OpenVAS Vulnerability Test
#
# Squid Multiple Denial of Service Vulnerabilities-01 May16 (Linux)
#
# Authors:
# Tushar Khelge <[email protected]>
#
# Copyright:
# Copyright (C) 2016 Greenbone Networks GmbH, http://www.greenbone.net
#
# 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("1.3.6.1.4.1.25623.1.0.808039");
script_version("2020-03-04T09:29:37+0000");
script_cve_id("CVE-2016-4555", "CVE-2016-4556");
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:"2020-03-04 09:29:37 +0000 (Wed, 04 Mar 2020)");
script_tag(name:"creation_date", value:"2016-05-18 10:54:56 +0530 (Wed, 18 May 2016)");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_name("Squid Multiple Denial of Service Vulnerabilities-01 May16 (Linux)");
script_tag(name:"summary", value:"This host is running Squid and is prone
to multiple denial of service vulnerabilities.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"Multiple flaws exist due to an incorrect
pointer handling and reference counting when processing ESI responses.");
script_tag(name:"impact", value:"Successful exploitation will allow remote
attackers to cause a denial of service.");
script_tag(name:"affected", value:"Squid version 3.x before 3.5.18 and 4.x
before 4.0.10 on Linux.");
script_tag(name:"solution", value:"Upgrade to Squid version 3.5.18 or 4.0.10
or later.");
script_tag(name:"solution_type", value:"VendorFix");
script_xref(name:"URL", value:"http://www.squid-cache.org/Advisories/SQUID-2016_9.txt");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2016 Greenbone Networks GmbH");
script_family("General");
script_dependencies("secpod_squid_detect.nasl", "os_detection.nasl");
script_mandatory_keys("squid_proxy_server/installed", "Host/runs_unixoide");
script_require_ports("Services/www", 3128, 8080);
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if(!squidPort = get_app_port(cpe:CPE)){
exit(0);
}
if(!squidVer = get_app_version(cpe:CPE, port:squidPort)){
exit(0);
}
if(squidVer =~ "^(3|4)\.")
{
if(version_in_range(version:squidVer, test_version:"3.0.0", test_version2:"3.5.17"))
{
fix = "3.5.18";
VULN = TRUE ;
}
else if(version_in_range(version:squidVer, test_version:"4.0.0", test_version2:"4.0.9"))
{
fix = "4.0.10";
VULN = TRUE ;
}
if(VULN)
{
report = report_fixed_ver(installed_version:squidVer, fixed_version:fix);
security_message(data:report, port:squidPort);
exit(0);
}
}