CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:H/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
96.3%
This host is missing an important security
update according to Microsoft KB4039266
# SPDX-FileCopyrightText: 2017 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("1.3.6.1.4.1.25623.1.0.811758");
script_version("2023-07-14T16:09:27+0000");
script_cve_id("CVE-2017-8699");
script_tag(name:"cvss_base", value:"7.6");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:N/C:C/I:C/A:C");
script_tag(name:"last_modification", value:"2023-07-14 16:09:27 +0000 (Fri, 14 Jul 2023)");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2017-09-21 17:22:00 +0000 (Thu, 21 Sep 2017)");
script_tag(name:"creation_date", value:"2017-09-13 14:54:01 +0530 (Wed, 13 Sep 2017)");
script_name("Windows Shell Remote Code Execution Vulnerability (KB4039266)");
script_tag(name:"summary", value:"This host is missing an important security
update according to Microsoft KB4039266");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"The flaw exists due to error when Windows
Shell does not properly validate file copy destinations.");
script_tag(name:"impact", value:"Successful exploitation will allow an attacker
who successfully exploited the vulnerability run arbitrary code in the context
of the current user.");
script_tag(name:"affected", value:"Microsoft Windows Server 2008 x32/x64 Edition Service Pack 2.");
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/4039266");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/100783");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2017 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(win2008:3, win2008x64:3) <= 0){
exit(0);
}
sysPath = smb_get_system32root();
if(!sysPath ){
exit(0);
}
fileVer = fetch_file_version(sysPath:sysPath, file_name:"shell32.dll");
if(!fileVer){
exit(0);
}
if(version_is_less(version:fileVer, test_version:"6.0.6002.19861"))
{
Vulnerable_range = "Less than 6.0.6002.19861";
VULN = TRUE ;
}
else if(version_in_range(version:fileVer, test_version:"6.0.6002.23000", test_version2:"6.0.6002.24181"))
{
Vulnerable_range = "6.0.6002.23000 - 6.0.6002.24181";
VULN = TRUE ;
}
if(VULN)
{
report = 'File checked: ' + sysPath + "\shell32.dll" + '\n' +
'File version: ' + fileVer + '\n' +
'Vulnerable range: ' + Vulnerable_range + '\n' ;
security_message(data:report);
exit(0);
}
exit(0);
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:H/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
96.3%