CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
AI Score
Confidence
High
EPSS
Percentile
94.6%
OpenTTD is prone to a denial of service (DoS) vulnerability.
# Copyright (C) 2010 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# 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("1.3.6.1.4.1.25623.1.0.901136");
script_version("2022-05-02T09:35:37+0000");
script_tag(name:"last_modification", value:"2022-05-02 09:35:37 +0000 (Mon, 02 May 2022)");
script_tag(name:"creation_date", value:"2010-08-02 12:38:17 +0200 (Mon, 02 Aug 2010)");
script_cve_id("CVE-2010-2534");
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("OpenTTD 'NetworkSyncCommandQueue()' Denial of Service Vulnerability");
script_xref(name:"URL", value:"http://secunia.com/advisories/40630");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/41804");
script_xref(name:"URL", value:"http://xforce.iss.net/xforce/xfdb/60568");
script_xref(name:"URL", value:"http://security.openttd.org/en/CVE-2010-2534");
script_xref(name:"URL", value:"http://www.vupen.com/english/advisories/2010/1888");
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("smb_reg_service_pack.nasl");
script_mandatory_keys("SMB/WindowsVersion");
script_require_ports(139, 445);
script_tag(name:"impact", value:"Successful exploitation will allow remote attackers to cause the application
to fall into an infinite loop, denying service to legitimate users.");
script_tag(name:"affected", value:"OpenTTD version 1.0.2 and prior.");
script_tag(name:"insight", value:"The flaw is due to the 'NetworkSyncCommandQueue()' function in
'src/network/network_command.cpp' not properly resetting the 'next' pointer,
which can be exploited to trigger an endless loop and exhaust CPU resources
when joining a server.");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"solution", value:"Upgrade to the latest version of OpenTTD 1.0.3 or later.");
script_tag(name:"summary", value:"OpenTTD is prone to a denial of service (DoS) vulnerability.");
script_xref(name:"URL", value:"http://www.openttd.org");
exit(0);
}
include("smb_nt.inc");
include("version_func.inc");
if(!get_kb_item("SMB/WindowsVersion")){
exit(0);
}
key = "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD";
ver = registry_get_sz(key:key, item:"DisplayVersion");
if(ver)
{
if(version_is_less(version: ver, test_version: "1.0.3")){
report = report_fixed_ver(installed_version:ver, fixed_version:"1.0.3");
security_message(port: 0, data: report);
}
}