CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
AI Score
Confidence
High
EPSS
Percentile
73.9%
This host is missing an important security
update for PowerShell Core according to Microsoft security update January 2018.
# 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
CPE = "cpe:/a:microsoft:powershell";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.812745");
script_version("2024-02-09T05:06:25+0000");
script_cve_id("CVE-2018-0764", "CVE-2018-0786");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:P/A:N");
script_tag(name:"last_modification", value:"2024-02-09 05:06:25 +0000 (Fri, 09 Feb 2024)");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2019-10-03 00:03:00 +0000 (Thu, 03 Oct 2019)");
script_tag(name:"creation_date", value:"2018-01-30 15:21:20 +0530 (Tue, 30 Jan 2018)");
script_name("Microsoft PowerShell Core DoS And Security Feature Bypass Vulnerabilities - Mac OS X");
script_tag(name:"summary", value:"This host is missing an important security
update for PowerShell Core according to Microsoft security update January 2018.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"Multiple flaws are due to:
- An error in the open source versions of PowerShell Core when improper
processing of XML documents by .NET Core occurs.
- An error in the open source versions of PowerShell Core where an attacker
could present a certificate that is marked invalid for a specific use,
but a .NET Core component uses it for that purpose. This action disregards
the Enhanced Key Usage tagging.");
script_tag(name:"impact", value:"Successful exploitation will allow remote
attackers to cause a denial of service to an application using PowerShell
to process requests and also to bypass security.");
script_tag(name:"affected", value:"PowerShell Core version 6.0.0 before 6.0.1");
script_tag(name:"solution", value:"Update PowerShell Core to version 6.0.1 or
later.");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"executable_version");
script_xref(name:"URL", value:"https://github.com/PowerShell/Announcements/issues/2");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2018 Greenbone AG");
script_family("Mac OS X Local Security Checks");
script_dependencies("gb_powershell_core_detect_macosx.nasl");
script_mandatory_keys("PowerShell/MacOSX/Version");
exit(0);
}
include("version_func.inc");
include("host_details.inc");
if(!infos = get_app_version_and_location(cpe:CPE, exit_no_version:TRUE))
exit(0);
vers = infos['version'];
path = infos['location'];
if(vers =~ "^6\.0" && version_is_less(version:vers, test_version:"6.0.1")) {
report = report_fixed_ver(installed_version:vers, fixed_version:"6.0.1", install_path:path);
security_message(data:report);
exit(0);
}
exit(99);
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
AI Score
Confidence
High
EPSS
Percentile
73.9%