OpenSSL 'kssl_keytab_is_available()' Denial Of Service Vulnerability (Windows)

2010-03-10T00:00:00
ID OPENVAS:800490
Type openvas
Reporter Copyright (c) 2010 Greenbone Networks GmbH
Modified 2017-12-20T00:00:00

Description

This host is installed with OpenSSL and is prone to Denial Of Service Vulnerability.

                                        
                                            ###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_openssl_sslkss_dos_vuln_win.nasl 8193 2017-12-20 10:46:55Z cfischer $
#
# OpenSSL 'kssl_keytab_is_available()' Denial Of Service Vulnerability (Windows)
#
# Authors:
# Antu Sanadi <santu@secpod.com>
#
# Copyright:
# Copyright (c) 2010 Greenbone Networks GmbH, http://www.greenbone.net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
###############################################################################

CPE = "cpe:/a:openssl:openssl";

tag_impact = "Successful exploitation will allow attacker to cause denial of service
  conditions.

  Impact Level: Application";

tag_affected = "OpenSSL version prior to 0.9.8n on Windows.";

tag_insight = "The flaw is due to error in 'kssl_keytab_is_available()' function in
  'ssl/kssl.c' which does not check a certain return value when Kerberos is
  enabled. This allows NULL pointer dereference and daemon crash via SSL
  cipher negotiation.";

tag_solution = "Upgrade to version 0.9.8n or later.
  For updates refer tohttp://www.slproweb.com/products/Win32OpenSSL.html";

tag_summary = "This host is installed with OpenSSL and is prone to Denial Of
  Service Vulnerability.";

if(description)
{
  script_id(800490);
  script_version("$Revision: 8193 $");
  script_tag(name:"last_modification", value:"$Date: 2017-12-20 11:46:55 +0100 (Wed, 20 Dec 2017) $");
  script_tag(name:"creation_date", value:"2010-03-10 15:48:25 +0100 (Wed, 10 Mar 2010)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_cve_id("CVE-2010-0433");
  script_name("OpenSSL 'kssl_keytab_is_available()' Denial Of Service Vulnerability (Windows)");
  script_xref(name : "URL" , value : "http://seclists.org/oss-sec/2010/q1/175");
  script_xref(name : "URL" , value : "https://bugzilla.redhat.com/show_bug.cgi?id=569774");
  script_xref(name : "URL" , value : "https://bugzilla.redhat.com/show_bug.cgi?id=567711");
  script_xref(name : "URL" , value : "http://permalink.gmane.org/gmane.comp.security.oss.general/2636");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (c) 2010 Greenbone Networks GmbH");
  script_family("Denial of Service");
  script_dependencies("gb_openssl_detect_win.nasl");
  script_mandatory_keys("OpenSSL/Win/Installed");
  script_tag(name : "impact" , value : tag_impact);
  script_tag(name : "affected" , value : tag_affected);
  script_tag(name : "insight" , value : tag_insight);
  script_tag(name : "solution" , value : tag_solution);
  script_tag(name : "summary" , value : tag_summary);
  script_tag(name:"qod_type", value:"registry");
  script_tag(name:"solution_type", value:"VendorFix");
  exit(0);
}

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

infos = get_app_version_and_location( cpe:CPE, exit_no_version:TRUE );
vers = infos['version'];
path = infos['location'];

if( version_is_less( version:vers, test_version:"0.9.8n" ) ) {
  report = report_fixed_ver( installed_version:vers, fixed_version:"0.9.8n", install_path:path );
  security_message( port:0, data:report );
  exit( 0 );
}

exit( 99 );