Citrix NetScaler Service Delivery Appliance Multiple Security Updates (CTX206006)

# 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:citrix:netscaler";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.105841");
  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:"2016-08-01 13:12:14 +0200 (Mon, 01 Aug 2016)");
  script_tag(name:"cvss_base", value:"7.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:C");

  script_cve_id("CVE-2015-4163", "CVE-2015-4106", "CVE-2015-4105", "CVE-2015-4104",
                "CVE-2015-4103", "CVE-2015-2756");

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

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

  script_name("Citrix NetScaler Service Delivery Appliance Multiple Security Updates (CTX206006)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_family("General");
  script_dependencies("gb_citrix_netscaler_consolidation.nasl");
  script_mandatory_keys("citrix/netscaler/detected");

  script_tag(name:"summary", value:"A number of vulnerabilities have been identified in the Citrix
  NetScaler Service Delivery Appliance (SDX) that could allow a malicious administrative user to
  crash the host or other VMs and execute arbitrary code on the SDX host.");

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

  script_tag(name:"insight", value:"The following vulnerabilities exist:

  - CVE-2015-4163: GNTTABOP_swap_grant_ref operation misbehaviour

  - CVE-2015-4106: Unmediated PCI register access in qemu

  - CVE-2015-4105: Guest triggerable qemu MSI-X pass-through error messages

  - CVE-2015-4104: PCI MSI mask bits inadvertently exposed to guests

  - CVE-2015-4103: Potential unintended writes to host MSI message data field via qemu

  - CVE-2015-2756: Unmediated PCI command register access in qemu");

  script_tag(name:"affected", value:"Citrix NetScaler version 10.5 and 10.5e earlier than
  10.5 Build 58.11 and 10.5 Build 57.7005.e and version 10.1 earlier than 10.1 Build 133.9.");

  script_tag(name:"solution", value:"See the referenced vendor advisory for a solution.");

  script_xref(name:"URL", value:"https://support.citrix.com/article/CTX206006");

  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:"10.5", test_version2:"10.5.57.7004" ) ) {
    fix = "10.5 Build 57.7005.e";
    vers = vers + ".e";
  }
}
else {
  if( version_in_range( version:vers, test_version:"10.5", test_version2:"10.5.58.10" ) )
    fix = "10.5 Build 58.11";

  if( version_in_range( version:vers, test_version:"10.1", test_version2:"10.1.133.8" ) )
    fix = "10.1 build 133.9";
}

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

exit( 99 );