Discourse is prone to multiple vulnerabilities.
# SPDX-FileCopyrightText: 2023 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:discourse:discourse";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.150796");
script_version("2023-10-12T05:05:32+0000");
script_tag(name:"last_modification", value:"2023-10-12 05:05:32 +0000 (Thu, 12 Oct 2023)");
script_tag(name:"creation_date", value:"2023-07-31 04:01:53 +0000 (Mon, 31 Jul 2023)");
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:"2023-08-03 17:36:00 +0000 (Thu, 03 Aug 2023)");
script_cve_id("CVE-2023-37904", "CVE-2023-37906", "CVE-2023-38684", "CVE-2023-38685");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Discourse < 3.0.6 Multiple Vulnerabilities");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2023 Greenbone AG");
script_family("Web application abuses");
script_dependencies("gb_discourse_detect.nasl");
script_mandatory_keys("discourse/detected");
script_tag(name:"summary", value:"Discourse 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-2023-37904: Race Condition in Accept Invite
- CVE-2023-37906: DoS via post edit reason
- CVE-2023-38684: Possible DDoS due to unbounded limits in various controller actions
- CVE-2023-38685: Restricted tag information visible to unauthenticated users");
script_tag(name:"affected", value:"Discourse prior to version 3.0.6.");
script_tag(name:"solution", value:"Update to version 3.0.6 or later.");
script_xref(name:"URL", value:"https://github.com/discourse/discourse/security/advisories/GHSA-6wj5-4ph2-c7qg");
script_xref(name:"URL", value:"https://github.com/discourse/discourse/security/advisories/GHSA-pjv6-47x6-mx7c");
script_xref(name:"URL", value:"https://github.com/discourse/discourse/security/advisories/GHSA-ff7g-xv79-hgmf");
script_xref(name:"URL", value:"https://github.com/discourse/discourse/security/advisories/GHSA-wx6x-q4gp-mgv5");
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_is_less(version: version, test_version: "3.0.6")) {
report = report_fixed_ver(installed_version: version, fixed_version: "3.0.6", install_path: location);
security_message(port: port, data: report);
exit(0);
}
exit(99);