vBulletin 5.x < 5.5.4 Patch Level 2 Multiple Vulnerabilities

# SPDX-FileCopyrightText: 2019 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:vbulletin:vbulletin";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.143057");
  script_version("2026-04-01T06:13:16+0000");
  script_tag(name:"last_modification", value:"2026-04-01 06:13:16 +0000 (Wed, 01 Apr 2026)");
  script_tag(name:"creation_date", value:"2019-10-25 05:56:26 +0000 (Fri, 25 Oct 2019)");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-10-11 18:18:00 +0000 (Fri, 11 Oct 2019)");

  script_cve_id("CVE-2019-17132", "CVE-2019-17271");

  # nb: Patch level not detected
  script_tag(name:"qod_type", value:"remote_banner_unreliable");

  script_name("vBulletin 5.x < 5.5.4 Patch Level 2 Multiple Vulnerabilities");

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

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2019 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("vbulletin_http_detect.nasl");
  script_mandatory_keys("vbulletin/detected");

  script_tag(name:"summary", value:"vBulletin is prone to multiple vulnerabilities.");

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

  script_tag(name:"insight", value:"The following vulnerabilities exist:

  - CVE-2019-17132: a remote code execution (RCE) caused by mishandling custom avatars

  - CVE-2019-17271: multiple SQL injections (SQLi)");

  script_tag(name:"affected", value:"vBulletin 5.5.x through 5.5.4 Patch Level 1.");

  script_tag(name:"solution", value:"Update to 5.5.2 Patch Level 2, 5.5.3 Patch Level 2, 5.5.4 Patch
  Level 2 or later.");

  script_xref(name:"URL", value:"https://packetstormsecurity.com/files/154759/vBulletin-5.5.4-Remote-Code-Execution.html");
  script_xref(name:"URL", value:"https://packetstormsecurity.com/files/154758/vBulletin-5.5.4-SQL-Injection.html");
  script_xref(name:"URL", value:"https://forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/4423646-vbulletin-5-5-x-5-5-2-5-5-3-and-5-5-4-security-patch-level-2");

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

if (version_in_range(version: version, test_version: "5.5.0", test_version2: "5.5.2")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "5.5.2 Patch Level 2", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_is_equal(version: version, test_version: "5.5.3")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "5.5.3 Patch Level 2", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_is_equal(version: version, test_version: "5.5.4")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "5.5.4 Patch Level 2", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);