CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
AI Score
Confidence
High
EPSS
Percentile
9.7%
Kingsoft Antivirus is prone to a denial of service vulnerability.
# Copyright (C) 2011 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("1.3.6.1.4.1.25623.1.0.901176");
script_version("2022-04-28T13:38:57+0000");
script_tag(name:"last_modification", value:"2022-04-28 13:38:57 +0000 (Thu, 28 Apr 2022)");
script_tag(name:"creation_date", value:"2011-02-01 16:46:08 +0100 (Tue, 01 Feb 2011)");
script_cve_id("CVE-2011-0515");
script_tag(name:"cvss_base", value:"2.1");
script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:N/I:N/A:P");
script_name("Kingsoft Antivirus 'KisKrnl.sys' Driver Denial of Service Vulnerability");
script_xref(name:"URL", value:"http://secunia.com/advisories/42937");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/45821");
script_xref(name:"URL", value:"http://xforce.iss.net/xforce/xfdb/64723");
script_xref(name:"URL", value:"http://www.exploit-db.com/exploits/15998/");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2011 Greenbone Networks GmbH");
script_family("Denial of Service");
script_dependencies("smb_reg_service_pack.nasl");
script_require_ports(139, 445);
script_mandatory_keys("SMB/WindowsVersion");
script_tag(name:"insight", value:"The flaw is due to an error when handling system service calls
in the 'kisknl.sys' driver which can be exploited to cause a page fault error
in the kernel and crash the system.");
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:"Kingsoft Antivirus is prone to a denial of service vulnerability.");
script_tag(name:"impact", value:"Successful exploitation will allow local users to cause a denial
of service condition.");
script_tag(name:"affected", value:"Kingsoft Antivirus version 2011.1.13.89 and prior.");
script_tag(name:"qod_type", value:"executable_version");
script_tag(name:"solution_type", value:"WillNotFix");
exit(0);
}
include("smb_nt.inc");
include("version_func.inc");
include("secpod_smb_func.inc");
if(!get_kb_item("SMB/WindowsVersion"))
exit(0);
if(!registry_key_exists(key:"SOFTWARE\Kingsoft"))
exit(0);
key = "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Kingsoft Internet Security";
if(!registry_key_exists(key:key))
exit(0);
ksantName = registry_get_sz(key:key, item:"DisplayName");
if("Kingsoft AntiVirus" >< ksantName) {
ksantPath = registry_get_sz(key:key, item:"DisplayIcon");
if(ksantPath) {
share = ereg_replace(pattern:"([A-Z]):.*", replace:"\1$", string:ksantPath);
file = ereg_replace(pattern:"[A-Z]:(.*)", replace:"\1", string:ksantPath);
ksantVer = GetVer(file:file, share:share);
if(ksantVer) {
if(version_is_less_equal(version:ksantVer, test_version:"2011.1.13.89")) {
report = report_fixed_ver(installed_version:ksantVer, fixed_version:"None", file_checked:ksantPath);
security_message(port:0, data:report);
exit(0);
}
}
}
}
exit(99);