Citrix Licensing Administration Console Security Bypass And Denial Of Service Vulnerabilities

# SPDX-FileCopyrightText: 2011 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("1.3.6.1.4.1.25623.1.0.801854");
  script_version("2023-07-28T05:05:23+0000");
  script_tag(name:"last_modification", value:"2023-07-28 05:05:23 +0000 (Fri, 28 Jul 2023)");
  script_tag(name:"creation_date", value:"2011-03-09 16:08:21 +0100 (Wed, 09 Mar 2011)");
  script_cve_id("CVE-2011-1101");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_name("Citrix Licensing Administration Console Security Bypass And Denial Of Service Vulnerabilities");
  script_xref(name:"URL", value:"http://secunia.com/advisories/43459");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/46529");
  script_xref(name:"URL", value:"http://www.securitytracker.com/id?1025123");
  script_xref(name:"URL", value:"http://support.citrix.com/article/CTX128167");
  script_xref(name:"URL", value:"http://www.vupen.com/english/advisories/2011/0477");

  script_tag(name:"qod_type", value:"registry");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2011 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_citrix_license_server_detect.nasl");
  script_mandatory_keys("Citrix/License/Server/Ver");
  script_tag(name:"impact", value:"Successful exploitation could allow remote attackers to bypass
certain security restrictions and cause denial-of-service condition.");
  script_tag(name:"affected", value:"Citrix Licensing Administration Console 11.6 and Prior.");
  script_tag(name:"insight", value:"The flaws are caused by errors in a third-party component that
is used by the administration console, which could allow an attacker to cause
a denial of service or gain unauthorized access to some license administration
functionality by tricking an administrator into visiting a malicious web site.");
  script_tag(name:"solution", value:"Upgrade to Citrix Licensing Administration Console 11.10 or later.");
  script_tag(name:"summary", value:"Citrix Licensing Administration Console is prone to security bypass and denial of service vulnerabilities.");

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

  script_xref(name:"URL", value:"http://www.citrix.com/downloads.html");
  exit(0);
}


include("version_func.inc");

ver = get_kb_item("Citrix/License/Server/Ver");
if(!ver){
  exit(0);
}

citrixVer = eregmatch(pattern:"([0-9.]+)", string:ver);
if(citrixVer[1])
{
  if(version_is_less_equal(version:citrixVer[1], test_version:"11.6.1")){
    report = report_fixed_ver(installed_version:citrixVer[1], vulnerable_range:"Less than or equal to 11.6.1");
    security_message(port: 0, data: report);
  }
}