GNU Mailman <= 2.1.26 XSS Vulnerability

# SPDX-FileCopyrightText: 2018 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:gnu:mailman";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.813268");
  script_version("2025-04-25T15:41:53+0000");
  script_tag(name:"last_modification", value:"2025-04-25 15:41:53 +0000 (Fri, 25 Apr 2025)");
  script_tag(name:"creation_date", value:"2018-07-27 12:20:44 +0530 (Fri, 27 Jul 2018)");
  script_tag(name:"cvss_base", value:"3.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:S/C:N/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-05-06 20:15:00 +0000 (Wed, 06 May 2020)");

  script_cve_id("CVE-2018-0618");

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

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

  script_name("GNU Mailman <= 2.1.26 XSS Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("mailman_http_detect.nasl");
  script_mandatory_keys("gnu_mailman/detected");

  script_tag(name:"summary", value:"Mailman is prone to a cross-site scripting (XSS)
  vulnerability.");

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

  script_tag(name:"insight", value:"The flaw is due to an input validation error in 'host_name'
  field.");

  script_tag(name:"impact", value:"Successful exploitation may allow remote attackers to conduct
  XSS attacks.");

  script_tag(name:"affected", value:"GNU Mailman version 2.1.26 and prior.");

  script_tag(name:"solution", value:"Update to version 2.1.27 or later. Please see the references
  for more information.");

  script_xref(name:"URL", value:"http://jvn.jp/en/jp/JVN00846677/index.html");
  script_xref(name:"URL", value:"https://mail.python.org/pipermail/mailman-announce/2018-June/000236.html");

  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);

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

if (version_is_less(version: vers, test_version: "2.1.27")) {
  report = report_fixed_ver(installed_version: vers, fixed_version: "2.1.27", install_path: path);
  security_message(port: port, data:report);
  exit(0);
}

exit(99);