Multiple Cisco Linksys Products Security Bypass Vulnerability (Jun 2014) - Active Check

# SPDX-FileCopyrightText: 2014 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.105041");
  script_version("2025-12-03T05:40:19+0000");
  script_tag(name:"last_modification", value:"2025-12-03 05:40:19 +0000 (Wed, 03 Dec 2025)");
  script_tag(name:"creation_date", value:"2014-06-05 11:24:23 +0200 (Thu, 05 Jun 2014)");
  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:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-01-09 19:21:00 +0000 (Thu, 09 Jan 2020)");

  script_cve_id("CVE-2013-5122");

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

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

  script_name("Multiple Cisco Linksys Products Security Bypass Vulnerability (Jun 2014) - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2014 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("find_service.nasl", "httpver.nasl", "global_settings.nasl");
  script_require_ports(8083);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"summary", value:"Multiple Cisco Linksys products are prone to a security bypass
  vulnerability.");

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

  script_tag(name:"insight", value:"The device listens on port 8083 with the same interface as port
  80, but completely circumvents HTTP/S authentication granting admin privileges on the device.");

  script_tag(name:"impact", value:"Exploiting this issue could allow an attacker to bypass certain
  security restrictions and gain unauthorized access to the affected device.");

  script_tag(name:"affected", value:"- Cisco Linksys EA2700 running firmware 1.0.14

  - Cisco Linksys EA3500 running firmware 1.0.30

  - Cisco Linksys E4200 running firmware 2.0.36

  - Cisco Linksys EA4500 running firmware 2.0.36");

  script_tag(name:"solution", value:"Updates are available.");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/60897");

  exit(0);
}

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

port = 8083;

if( ! get_port_state( port ) )
  exit( 0 );

url = "/Management.asp";

if( http_vuln_check( port:port, url:url, pattern:"<TITLE>Management</TITLE>",
                     extra_check:"http_passwd" ) ) {
  report = http_report_vuln_url( port:port, url:url );
  security_message( port:port, data:report );
  exit(0);
}

exit(99);