Citrix NetScaler Unauthorised Access Vulnerability (CTX200254)

# SPDX-FileCopyrightText: 2015 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:citrix:netscaler";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.105275");
  script_version("2026-04-28T06:28:06+0000");
  script_tag(name:"last_modification", value:"2026-04-28 06:28:06 +0000 (Tue, 28 Apr 2026)");
  script_tag(name:"creation_date", value:"2015-05-12 13:12:00 +0200 (Tue, 12 May 2015)");
  script_tag(name:"cvss_base", value:"4.9");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:S/C:P/I:P/A:N");

  script_cve_id("CVE-2014-8580");

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

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

  script_name("Citrix NetScaler Unauthorised Access Vulnerability (CTX200254)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2015 Greenbone AG");
  script_family("General");
  script_dependencies("gb_citrix_netscaler_consolidation.nasl");
  script_mandatory_keys("citrix/netscaler/detected");

  script_tag(name:"summary", value:"Citrix NetScaler is prone to an unauthorised access
  vulnerability.");

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

  script_tag(name:"impact", value:"An authenticated user may obtain unauthorised access to network
  resources for another authenticated user.");

  script_tag(name:"affected", value:"Citrix NetScaler version 10.5.50.10 through 10.5.51.10,
  10.1.122.17 through 10.1.128.8, 10.1.x 'Enhanced' version 10.1-120.1316.e through
  10.1-128.8003.e");

  script_tag(name:"solution", value:"Update to version 10.5-52.11, 10.1-129.11, 10.1-129.1105.e or
  later.");

  script_xref(name:"URL", value:"https://support.citrix.com/article/CTX200254");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/71350");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if( ! vers = get_app_version( cpe:CPE, nofork: TRUE ) )
  exit( 0 );

if( get_kb_item( "citrix/netscaler/enhanced_build" ) )
  enhanced = TRUE;

if( enhanced ) {
  if( version_in_range( version:vers, test_version:"10.1.120.1316", test_version2:"10.1.128.8003" ) ) {
    fix = "10.1 build 129.1105.e";
    vers = vers + ".e";
  }
}
else {
  if( version_in_range( version:vers, test_version:"10.5.50.10", test_version2:"10.5.51.10" ) ) {
    fix = "10.5 build 52.11";
  }

  if( version_in_range( version:vers, test_version:"10.1.122.17", test_version2:"10.1.128.8" ) ) {
    fix = "10.1 build 129.11";
  }
}

if( fix ) {
  report = report_fixed_ver( installed_version:vers, fixed_version:fix );
  security_message( port:0, data:report );
  exit( 0 );
}

exit( 99 );