Squid DoS Vulnerability (SQUID-2018:3)

# SPDX-FileCopyrightText: 2018 Greenbone AG
# 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-only

CPE = "cpe:/a:squid-cache:squid";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.813402");
  script_version("2023-07-20T05:05:18+0000");
  script_cve_id("CVE-2018-1172");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_tag(name:"last_modification", value:"2023-07-20 05:05:18 +0000 (Thu, 20 Jul 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-10-09 23:38:00 +0000 (Wed, 09 Oct 2019)");
  script_tag(name:"creation_date", value:"2018-05-22 12:25:41 +0530 (Tue, 22 May 2018)");
  script_tag(name:"qod_type", value:"remote_banner_unreliable");
  script_name("Squid DoS Vulnerability (SQUID-2018:3)");

  script_tag(name:"summary", value:"Squid is prone to a denial of service (DoS) vulnerability.");

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

  script_tag(name:"insight", value:"The flaw exists due to incorrect pointer
  handling.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote
  attackers to cause a denial of service.");

  script_tag(name:"affected", value:"Squid versions 3.1.12.2 through 3.1.23,
  3.2.0.8 through 3.2.14 and 3.3 through 4.0.12.");

  script_tag(name:"solution", value:"Update to version 4.0.13 or later.

  A patch and workaround is also available. Please see the references for more information.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_xref(name:"URL", value:"http://www.squid-cache.org/Advisories/SQUID-2018_3.txt");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Web Servers");
  script_dependencies("gb_squid_http_detect.nasl");
  script_mandatory_keys("squid/detected");

  exit(0);
}

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

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

if(!infos = get_app_version_and_location(cpe:CPE, port:port, exit_no_version:TRUE))
  exit(0);

version = infos["version"];
path = infos["location"];

if(version_in_range(version:version, test_version:"3.1.12.2", test_version2: "3.1.23")||
   version_in_range(version:version, test_version:"3.2.0.8", test_version2: "3.2.14")||
   version_in_range(version:version, test_version:"3.3", test_version2: "4.0.12")) {
  report = report_fixed_ver(installed_version:version, fixed_version:"4.0.13", install_path:path);
  security_message(port:port, data:report);
  exit(0);
}

exit(99);