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

2020-01-13T00:00:00
ID OPENVAS:1361412562310143344
Type openvas
Reporter Copyright (C) 2020 Greenbone Networks GmbH
Modified 2020-02-10T00:00:00

Description

OTRS is prone to a vulnerability where it is possible to send drafted messages as wrong agent.

                                        
                                            # Copyright (C) 2020 Greenbone Networks GmbH
# Text descriptions are largely excerpted from the referenced
# advisory, and are Copyright (C) of the respective author(s)
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

CPE = "cpe:/a:otrs:otrs";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.143344");
  script_version("2020-02-10T10:09:07+0000");
  script_tag(name:"last_modification", value:"2020-02-10 10:09:07 +0000 (Mon, 10 Feb 2020)");
  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_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 Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("secpod_otrs_detect.nasl");
  script_mandatory_keys("OTRS/installed");

  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 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);