CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
AI Score
Confidence
High
EPSS
Percentile
100.0%
This host is missing an important security
update according to Microsoft KB4056898
# SPDX-FileCopyrightText: 2018 Greenbone AG
# 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-only
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.812386");
script_version("2023-11-03T16:10:08+0000");
script_cve_id("CVE-2017-5753", "CVE-2017-5715", "CVE-2017-5754", "CVE-2018-0744",
"CVE-2018-0753", "CVE-2018-0754", "CVE-2018-0788", "CVE-2018-0752",
"CVE-2018-0751", "CVE-2018-0749", "CVE-2018-0747", "CVE-2018-0748",
"CVE-2018-0746");
script_tag(name:"cvss_base", value:"7.1");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:C");
script_tag(name:"last_modification", value:"2023-11-03 16:10:08 +0000 (Fri, 03 Nov 2023)");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2020-08-24 17:37:00 +0000 (Mon, 24 Aug 2020)");
script_tag(name:"creation_date", value:"2018-01-04 16:27:57 +0530 (Thu, 04 Jan 2018)");
script_name("Microsoft Windows Multiple Vulnerabilities (KB4056898)");
script_tag(name:"summary", value:"This host is missing an important security
update according to Microsoft KB4056898");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"Multiple flaws exist due to:
- Multiple errors in Windows Adobe Type Manager Font Driver (ATMFD.dll) when
it fails to properly handle objects in memory.
- An error in the way that Windows handles objects in memory.
- Multiple errors in the way that the Windows Kernel API enforces permissions.
- An error in the Microsoft Server Message Block (SMB) Server when an attacker
with valid credentials attempts to open a specially crafted file over the SMB
protocol on the same machine.
- Multiple errors in the Windows kernel that could allow an attacker to retrieve
information that could lead to a Kernel Address Space Layout Randomization
(ASLR) bypass.
- Multiple errors leading to 'speculative execution side-channel attacks' that
affect many modern processors and operating systems including Intel, AMD, and ARM.");
script_tag(name:"impact", value:"Successful exploitation will allow an attacker
to execute arbitrary code and take control of an affected system, gain access to
sensitive data, cause a target system to stop responding, impersonate processes,
interject cross-process communication, interrupt system functionality, bypass
certain security checks and conduct bounds check bypass, branch target injection,
rogue data cache load.");
script_tag(name:"affected", value:"- Microsoft Windows 8.1 for 32-bit/x64
- Microsoft Windows Server 2012 R2");
script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"executable_version");
script_xref(name:"URL", value:"https://support.microsoft.com/en-us/help/4056898");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2018 Greenbone AG");
script_family("Windows : Microsoft Bulletins");
script_dependencies("smb_reg_service_pack.nasl");
script_require_ports(139, 445);
script_mandatory_keys("SMB/WindowsVersion");
exit(0);
}
include("smb_nt.inc");
include("secpod_reg.inc");
include("version_func.inc");
include("secpod_smb_func.inc");
if(hotfix_check_sp(win8_1:1, win8_1x64:1, win2012R2:1) <= 0){
exit(0);
}
sysPath = smb_get_system32root();
if(!sysPath ){
exit(0);
}
fileVer = fetch_file_version(sysPath:sysPath, file_name:"ntoskrnl.exe");
if(!fileVer){
exit(0);
}
if(version_is_less(version:fileVer, test_version:"6.3.9600.18895"))
{
report = report_fixed_ver( file_checked:sysPath + "\Ntoskrnl.exe",
file_version:fileVer, vulnerable_range:"Less than 6.3.9600.18895" );
security_message(data:report);
exit(0);
}
exit(0);
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
AI Score
Confidence
High
EPSS
Percentile
100.0%