Discourse < 2.4.0.beta7 Permission Check Vulnerability

2020-03-19T00:00:00
ID OPENVAS:1361412562310108726
Type openvas
Reporter Copyright (C) 2020 Greenbone Networks GmbH
Modified 2020-03-19T00:00:00

Description

Discourse is prone to a permission check vulnerability.

                                        
                                            # Copyright (C) 2020 Greenbone Networks GmbH
#
# 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:discourse:discourse";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.108726");
  script_version("2020-03-19T09:33:47+0000");
  script_tag(name:"last_modification", value:"2020-03-19 09:33:47 +0000 (Thu, 19 Mar 2020)");
  script_tag(name:"creation_date", value:"2020-03-19 09:04:27 +0000 (Thu, 19 Mar 2020)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:N/A:N");

  script_name("Discourse < 2.4.0.beta7 Permission Check Vulnerability");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 Greenbone Networks GmbH");
  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 a permission check vulnerability.");

  script_tag(name:"insight", value:"The following flaws exist / security fixes are included:

  - Check permissions when autocompleting mentions");

  script_tag(name:"affected", value:"Discourse up to and including version 2.4.0.beta6.");

  script_tag(name:"solution", value:"Update to version 2.4.0.beta7 or later.");

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

  script_xref(name:"URL", value:"https://meta.discourse.org/t/discourse-2-4-0-beta7-release-notes/132752");

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

  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"];

if( version_is_less( version:vers, test_version:"2.4.0" ) ||
    version_in_range( version:vers, test_version:"2.4.0.beta1", test_version2:"2.4.0.beta6" ) ) {
  report = report_fixed_ver( installed_version:vers, fixed_version:"2.4.0.beta7", install_path:infos["location"] );
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );