Squid 3.1 <= 3.5.22, 4.0 <= 4.0.16 Information Disclosure Vulnerability (SQUID-2016:11) - Linux

# Copyright (C) 2016 Greenbone Networks GmbH
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(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("1.3.6.1.4.1.25623.1.0.106479");
  script_version("2022-07-20T10:33:02+0000");
  script_tag(name:"last_modification", value:"2022-07-20 10:33:02 +0000 (Wed, 20 Jul 2022)");
  script_tag(name:"creation_date", value:"2016-12-19 14:15:02 +0700 (Mon, 19 Dec 2016)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2018-01-05 02:30:00 +0000 (Fri, 05 Jan 2018)");

  script_cve_id("CVE-2016-10002");

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

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

  script_name("Squid 3.1 <= 3.5.22, 4.0 <= 4.0.16 Information Disclosure Vulnerability (SQUID-2016:11) - Linux");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2016 Greenbone Networks GmbH");
  script_family("Web Servers");
  script_dependencies("gb_squid_http_detect.nasl", "os_detection.nasl");
  script_mandatory_keys("squid/detected", "Host/runs_unixoide");

  script_tag(name:"summary", value:"Squid is prone to an information disclosure vulnerability.");

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

  script_tag(name:"insight", value:"Due to incorrect HTTP conditional request handling Squid
  can deliver responses containing private data to clients it should not have reached.");

  script_tag(name:"impact", value:"A remote attacker may discover private and sensitive information
  about another clients browsing session. Potentially including credentials which allow access to
  further sensitive resources.");

  script_tag(name:"affected", value:"Squid versions 3.1 through 3.5.22 and 4.0 through 4.0.16.");

  script_tag(name:"solution", value:"Update to version 3.5.23, 4.0.17 or later.");

  script_xref(name:"URL", value:"http://www.squid-cache.org/Advisories/SQUID-2016_11.txt");

  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 =~ "^3\.1") {
  if (version_is_greater_equal(version: version, test_version: "3.1.10")) {
    report = report_fixed_ver(installed_version: version, fixed_version: "3.5.23");
    security_message(port: port, data: report);
    exit(0);
  }
}

if (version_in_range(version: version, test_version: "3.2.0.3", test_version2: "3.5.22")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.5.23");
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "4.0.0", test_version2: "4.0.16")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "4.0.17");
  security_message(port: port, data: report);
  exit(0);
}

exit(99);