TYPO3 SVG Sanitizer Vulnerability (TYPO3-PSA-2022-001)

# SPDX-FileCopyrightText: 2022 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-or-later

CPE = "cpe:/a:typo3:typo3";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.147701");
  script_version("2023-04-05T10:19:45+0000");
  script_tag(name:"last_modification", value:"2023-04-05 10:19:45 +0000 (Wed, 05 Apr 2023)");
  script_tag(name:"creation_date", value:"2022-02-25 04:26:09 +0000 (Fri, 25 Feb 2022)");
  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_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-02-22 21:06:00 +0000 (Tue, 22 Feb 2022)");

  script_cve_id("CVE-2022-23638");

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

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

  script_name("TYPO3 SVG Sanitizer Vulnerability (TYPO3-PSA-2022-001)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2022 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_typo3_http_detect.nasl");
  script_mandatory_keys("typo3/detected");

  script_tag(name:"summary", value:"TYPO3 is prone to a sanitization bypass vulnerability in SVG
  Sanitizer.");

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

  script_tag(name:"insight", value:"The SVG sanitizer library enshrined/svg-sanitize before version
  0.15.0 did not remove HTML elements wrapped in a CDATA section. As a result, SVG content embedded
  in HTML (fetched as text/html) was susceptible to cross-site scripting. Plain SVG files (fetched
  as image/svg+xml) were not affected.");

  script_tag(name:"affected", value:"TYPO3 version 7.x, 8.x, 9.x, 10.x and 11.x.");

  script_tag(name:"solution", value:"Update to version 7.6.56, 8.7.45, 9.5.33, 10.4.25, 11.5.7 or
  later.");

  script_xref(name:"URL", value:"https://typo3.org/security/advisory/typo3-psa-2022-001");

  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, version_regex: "[0-9]+\.[0-9]+\.[0-9]+")) # nb: Version might not be exact enough
  exit(0);

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

if (version_in_range_exclusive(version: version, test_version_lo: "7.0", test_version_up: "7.6.56")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "7.6.56", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "8.0", test_version_up: "8.7.45")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "8.7.45", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "9.0", test_version_up: "9.5.33")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "9.5.33", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "10.0", test_version_up: "10.4.25")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "10.4.25", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "11.0", test_version_up: "11.5.7")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "11.5.7", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);