Qt 'QSslSocketBackendPrivate::transmit()' Denial of Service Vulnerability

2010-07-26T00:00:00
ID OPENVAS:1361412562310801235
Type openvas
Reporter Copyright (C) 2010 Greenbone Networks GmbH
Modified 2020-04-23T00:00:00

Description

This host is installed with Qt and is prone to denial of service vulnerability.

                                        
                                            ###############################################################################
# OpenVAS Vulnerability Test
#
# Qt 'QSslSocketBackendPrivate::transmit()' Denial of Service Vulnerability
#
# Authors:
# Sooraj KS <kssooraj@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.
###############################################################################

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.801235");
  script_version("2020-04-23T12:22:09+0000");
  script_tag(name:"last_modification", value:"2020-04-23 12:22:09 +0000 (Thu, 23 Apr 2020)");
  script_tag(name:"creation_date", value:"2010-07-26 16:14:51 +0200 (Mon, 26 Jul 2010)");
  script_bugtraq_id(41250);
  script_cve_id("CVE-2010-2621");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_name("Qt 'QSslSocketBackendPrivate::transmit()' Denial of Service Vulnerability");
  script_xref(name:"URL", value:"http://secunia.com/advisories/40389");
  script_xref(name:"URL", value:"http://aluigi.altervista.org/adv/qtsslame-adv.txt");
  script_xref(name:"URL", value:"http://www.vupen.com/english/advisories/2010/1657");

  script_tag(name:"qod_type", value:"registry");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2010 Greenbone Networks GmbH");
  script_family("Denial of Service");
  script_dependencies("gb_qt_detect.nasl");
  script_mandatory_keys("Qt/Ver");
  script_tag(name:"impact", value:"Successful exploitation will allow attacker to cause a denial of
service.");
  script_tag(name:"affected", value:"Qt Version 4.6.3 and prior.");
  script_tag(name:"insight", value:"This flaw is due to an endless loop within the
'QSslSocketBackendPrivate::transmit()' function in
'src/network/ssl/qsslsocket_openssl.cpp'. This can be exploited to
exhaust CPU resources in server applications using the QSslSocket class.");
  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"solution", value:"Upgrade to version 4.6.4 or later.");

  script_tag(name:"summary", value:"This host is installed with Qt and is prone to denial of service
vulnerability.");
  exit(0);
}

include("version_func.inc");

ver = get_kb_item("Qt/Ver");
if(!ver)
  exit(0);

if(version_is_less_equal(version:ver, test_version:"4.6.3") ){
  report = report_fixed_ver(installed_version:ver, vulnerable_range:"Less than or equal to 4.6.3");
  security_message(port: 0, data: report);
}