Roundcube Webmail 1.2.0 - 1.3.5 MX Injection Vulnerability

# Copyright (C) 2018 Greenbone Networks GmbH
# 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-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:roundcube:webmail";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.140959");
  script_version("2023-02-02T10:09:00+0000");
  script_tag(name:"last_modification", value:"2023-02-02 10:09:00 +0000 (Thu, 02 Feb 2023)");
  script_tag(name:"creation_date", value:"2018-04-10 13:53:54 +0700 (Tue, 10 Apr 2018)");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2018-05-24 17:12:00 +0000 (Thu, 24 May 2018)");

  script_cve_id("CVE-2018-9846");

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

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

  script_name("Roundcube Webmail 1.2.0 - 1.3.5 MX Injection Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2018 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("sw_roundcube_http_detect.nasl");
  script_mandatory_keys("roundcube/detected");

  script_tag(name:"summary", value:"Roundcube Webmail is prone to an injection vulnerability.");

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

  script_tag(name:"insight", value:"With the archive plugin enabled and configured, it's possible to
  exploit the unsanitized, user-controlled '_uid' parameter to perform an MX (IMAP) injection attack
  by placing an IMAP command after a %0d%0a sequence.

  NOTE: this is less easily exploitable in 1.3.4 and later because of a Same Origin Policy
  protection mechanism.");

  script_tag(name:"affected", value:"Roundcube Webmail versions 1.2.0 through 1.3.5.");

  script_tag(name:"solution", value:"Update to version 1.3.6 or later.");

  script_xref(name:"URL", value:"https://github.com/roundcube/roundcubemail/issues/6229");
  script_xref(name:"URL", value:"https://github.com/roundcube/roundcubemail/issues/6238");
  script_xref(name:"URL", value:"https://medium.com/@ndrbasi/cve-2018-9846-roundcube-303097048b0a");

  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: "1.2.0", test_version2: "1.3.5")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "1.3.6", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);