TigerVNC SSL Certificate Validation Security Bypass Vulnerability (Windows)

2011-06-13T00:00:00
ID OPENVAS:1361412562310801898
Type openvas
Reporter Copyright (c) 2011 Greenbone Networks GmbH
Modified 2018-10-20T00:00:00

Description

This host is installed with TigerVNC and is prone to security bypass vulnerability.

                                        
                                            ###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_tigervnc_ssl_sec_bypass_vuln_win.nasl 11997 2018-10-20 11:59:41Z mmartin $
#
# TigerVNC SSL Certificate Validation Security Bypass Vulnerability (Windows)
#
# Authors:
# Sooraj KS <kssooraj@secpod.com>
#
# Copyright:
# Copyright (c) 2011 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:tigervnc:tigervnc";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.801898");
  script_version("$Revision: 11997 $");
  script_tag(name:"last_modification", value:"$Date: 2018-10-20 13:59:41 +0200 (Sat, 20 Oct 2018) $");
  script_tag(name:"creation_date", value:"2011-06-13 15:28:04 +0200 (Mon, 13 Jun 2011)");
  script_cve_id("CVE-2011-1775");
  script_bugtraq_id(47738);
  script_tag(name:"cvss_base", value:"5.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:N");
  script_name("TigerVNC SSL Certificate Validation Security Bypass Vulnerability (Windows)");
  script_xref(name:"URL", value:"https://bugzilla.redhat.com/show_bug.cgi?id=702470");
  script_xref(name:"URL", value:"http://www.mail-archive.com/tigervnc-devel@lists.sourceforge.net/msg01345.html");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (c) 2011 Greenbone Networks GmbH");
  script_family("General");
  script_dependencies("gb_tigervnc_detect_win.nasl");
  script_mandatory_keys("TigerVNC6432/Win/Installed");
  script_tag(name:"impact", value:"Successful exploitation allows attackers to perform
man-in-the-middle attacks or impersonate trusted servers, which will aid in
further attacks.");
  script_tag(name:"affected", value:"TigerVNC version 1.1beta1");
  script_tag(name:"insight", value:"The flaw is caused by improper verification of server's X.509
certificate, which allows man-in-the-middle attackers to spoof a TLS VNC server
via an arbitrary certificate.");
  script_tag(name:"solution", value:"No known solution was made available for at least one year since the disclosure
  of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer
  release, disable respective features, remove the product or replace the product by another one.");
  script_tag(name:"summary", value:"This host is installed with TigerVNC and is prone to security
bypass vulnerability.");
  script_tag(name:"qod_type", value:"registry");
  script_tag(name:"solution_type", value:"WillNotFix");
  exit(0);
}

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

ver = get_app_version(cpe:CPE);
if(ver)
{
  if(version_is_equal(version:ver, test_version:"1.0.90")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
}