OTRS 6.0.x < 6.0.25, 7.0.x < 7.0.14 Message Vulnerability

# SPDX-FileCopyrightText: 2020 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:otrs:otrs";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.143344");
  script_version("2025-07-17T05:43:33+0000");
  script_tag(name:"last_modification", value:"2025-07-17 05:43:33 +0000 (Thu, 17 Jul 2025)");
  script_tag(name:"creation_date", value:"2020-01-13 04:38:39 +0000 (Mon, 13 Jan 2020)");
  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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-01-29 14:15:00 +0000 (Wed, 29 Jan 2020)");

  script_cve_id("CVE-2020-1767");

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

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

  script_name("OTRS 6.0.x < 6.0.25, 7.0.x < 7.0.14 Message Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2020 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_otrs_http_detect.nasl");
  script_mandatory_keys("otrs/detected");

  script_tag(name:"summary", value:"OTRS is prone to a vulnerability where it is possible to send
  drafted messages as wrong agent.");

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

  script_tag(name:"insight", value:"Agent A is able to save a draft (i.e. for customer reply).
  Then Agent B can open the draft, change the text completely and send it in the name of Agent A.
  For the customer it will not be visible that the message was sent by another agent.");

  script_tag(name:"affected", value:"OTRS versions 6.0.x through 6.0.24 and 7.0.x through
  7.0.13.");

  script_tag(name:"solution", value:"Update to version 6.0.25, 7.0.14 or later.");

  script_xref(name:"URL", value:"https://otrs.com/release-notes/otrs-security-advisory-2020-03/");

  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: "6.0.0", test_version2: "6.0.24")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "6.0.25", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "7.0.0", test_version2: "7.0.13")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "7.0.14", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);