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openvasCopyright (C) 2020 Greenbone Networks GmbHOPENVAS:1361412562310143623
HistoryMar 23, 2020 - 12:00 a.m.

Squid Proxy Cache < 4.9 Hostname Validation Vulnerability

2020-03-2300:00:00
Copyright (C) 2020 Greenbone Networks GmbH
plugins.openvas.org
29

Squid, when certain web browsers are used, mishandles HTML in the host (aka
hostname) parameter to cachemgr.cgi.

# Copyright (C) 2020 Greenbone Networks GmbH
# Text descriptions are largely excerpted from the referenced
# advisory, and are Copyright (C) of the respective author(s)
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# 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("1.3.6.1.4.1.25623.1.0.143623");
  script_version("2020-03-30T06:46:24+0000");
  script_tag(name:"last_modification", value:"2020-03-30 06:46:24 +0000 (Mon, 30 Mar 2020)");
  script_tag(name:"creation_date", value:"2020-03-23 04:00:09 +0000 (Mon, 23 Mar 2020)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");

  script_cve_id("CVE-2019-18860");

  script_tag(name:"qod_type", value:"remote_banner_unreliable");

  script_tag(name:"solution_type", value:"VendorFix");

  script_name("Squid Proxy Cache < 4.9 Hostname Validation Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2020 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("secpod_squid_detect.nasl");
  script_mandatory_keys("squid_proxy_server/installed");

  script_tag(name:"summary", value:"Squid, when certain web browsers are used, mishandles HTML in the host (aka
  hostname) parameter to cachemgr.cgi.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"affected", value:"Squid versions prior to version 4.9.");

  script_tag(name:"solution", value:"Update to version 4.9 or later.");

  script_xref(name:"URL", value:"https://github.com/squid-cache/squid/pull/504");
  script_xref(name:"URL", value:"https://github.com/squid-cache/squid/pull/505");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if (!port = get_app_port(cpe: CPE))
  exit(0);

if (!version = get_app_version(cpe: CPE, port: port))
  exit(0);

if (version_is_less(version: version, test_version: "4.9")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "4.9");
  security_message(port: port, data: report);
  exit(0);
}

exit(99);