Octopus Deploy Privilege Escalation Vulnerability

# SPDX-FileCopyrightText: 2017 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:octopus:octopus_deploy";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.140520");
  script_version("2023-07-25T05:05:58+0000");
  script_tag(name:"last_modification", value:"2023-07-25 05:05:58 +0000 (Tue, 25 Jul 2023)");
  script_tag(name:"creation_date", value:"2017-11-21 14:36:59 +0700 (Tue, 21 Nov 2017)");
  script_tag(name:"cvss_base", value:"4.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:N/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-10-03 00:03:00 +0000 (Thu, 03 Oct 2019)");

  script_cve_id("CVE-2017-15611");

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

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

  script_name("Octopus Deploy Privilege Escalation Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2017 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_octopus_deploy_detect.nasl");
  script_mandatory_keys("octopus/octopus_deploy/detected");

  script_tag(name:"summary", value:"In Octopus, an authenticated user who was explicitly granted the permission
to invite new users (aka UserInvite) can invite users to teams with escalated privileges.");

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

  script_tag(name:"affected", value:"Octopus Deploy before version 3.17.7.");

  script_tag(name:"solution", value:"Update to version 3.17.7 or later.");

  script_xref(name:"URL", value:"https://github.com/OctopusDeploy/Issues/issues/3864");

  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_is_less(version: version, test_version: "3.17.7")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.17.7");
  security_message(port: port, data: report);
  exit(0);
}

exit(99);