Apache Tomcat DoS Vulnerability (Sep 2024) - Linux

# SPDX-FileCopyrightText: 2024 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:apache:tomcat";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.114781");
  script_version("2025-02-12T05:37:43+0000");
  script_tag(name:"last_modification", value:"2025-02-12 05:37:43 +0000 (Wed, 12 Feb 2025)");
  script_tag(name:"creation_date", value:"2024-09-23 15:19:42 +0000 (Mon, 23 Sep 2024)");
  script_tag(name:"cvss_base", value:"7.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/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:"2025-02-11 16:15:56 +0000 (Tue, 11 Feb 2025)");

  script_cve_id("CVE-2024-38286");

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

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

  script_name("Apache Tomcat DoS Vulnerability (Sep 2024) - Linux");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2024 Greenbone AG");
  script_family("Web Servers");
  script_dependencies("gb_apache_tomcat_consolidation.nasl", "os_detection.nasl");
  script_mandatory_keys("apache/tomcat/detected", "Host/runs_unixoide");

  script_tag(name:"summary", value:"Apache Tomcat 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:"Tomcat, under certain configurations on any platform, allows an
  attacker to cause an OutOfMemoryError by abusing the TLS handshake process.");

  # nb: As the affected versions are starting from 9.0.13 we can assume that older branches like
  # 8.5.x or 10.0.x are not affected (see comment below).
  script_tag(name:"affected", value:"Apache Tomcat versions 9.0.13 through 9.0.89, 10.1.0-M1
  through 10.1.24 and 11.0.0-M1 through 11.0.0-M20.");

  script_tag(name:"solution", value:"Update to version 9.0.90, 10.1.25, 11.0.0-M21 or later.");

  script_xref(name:"URL", value:"https://lists.apache.org/thread/wms60cvbsz3fpbz9psxtfx8r41jl6d4s");
  script_xref(name:"URL", value:"https://tomcat.apache.org/security-11.html#Fixed_in_Apache_Tomcat_11.0.0-M21");
  script_xref(name:"URL", value:"https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.25");
  script_xref(name:"URL", value:"https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.90");

  exit(0);
}

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

if (isnull(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"];
location = infos["location"];

if (version_in_range_exclusive(version: version, test_version_lo: "9.0.13", test_version_up: "9.0.90")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "9.0.90", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

# nb: 10.0.x isn't tested here as it is currently assumed (due to the starting range of 9.0.13
# instead of 9.0.0) that the flaw could have been introduced after the EOL of 10.0.x)
if (version_in_range_exclusive(version: version, test_version_lo: "10.1.0.M1", test_version_up: "10.1.25")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "10.1.25", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "11.0.0.M1", test_version_up: "11.0.0.M21")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "11.0.0-M21", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);