5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
0.036 Low
EPSS
Percentile
91.7%
The remote Windows host has an installation of .NET Core with a version of 1.0.x prior to 1.0.13, 1.1.x prior to 1.1.10 or 2.0.x. Therefore, the host is affected by an information disclosure vulnerability.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from the Microsoft Security Updates API. The text
# itself is copyright (C) Microsoft Corporation.
#
include("compat.inc");
if (description)
{
script_id(118148);
script_version("1.3");
script_cvs_date("Date: 2019/11/01");
script_cve_id("CVE-2018-8292");
script_name(english:"Security Update for .NET Core (October 2018)");
script_summary(english:"Checks for Windows Install of .NET Core.");
script_set_attribute(attribute:"synopsis", value:
"The remote Windows host is affected by a .NET Core information
disclosure vulnerability.");
script_set_attribute(attribute:"description", value:
"The remote Windows host has an installation of .NET Core
with a version of 1.0.x prior to 1.0.13, 1.1.x prior to 1.1.10
or 2.0.x. Therefore, the host is affected by an information
disclosure vulnerability.");
script_set_attribute(attribute:"see_also", value:"https://github.com/dotnet/announcements/issues/88");
# https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8292
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?2a4a4fff");
script_set_attribute(attribute:"solution", value:
"Update to .NET Core Runtime version 1.0.13 / 1.1.10 / 2.1.0 or later.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-8292");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"vuln_publication_date", value:"2018/10/09");
script_set_attribute(attribute:"patch_publication_date", value:"2018/10/09");
script_set_attribute(attribute:"plugin_publication_date", value:"2018/10/16");
script_set_attribute(attribute:"potential_vulnerability", value:"true");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:.net_core");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows");
script_copyright(english:"This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("microsoft_dotnet_core_win.nbin");
script_require_keys("installed_sw/.NET Core Windows", "Settings/ParanoidReport");
script_require_ports(139, 445);
exit(0);
}
include("global_settings.inc");
include("audit.inc");
include("install_func.inc");
include("misc_func.inc");
appname = '.NET Core Windows';
get_kb_item_or_exit("installed_sw/.NET Core Windows");
if (report_paranoia < 2) audit(AUDIT_PARANOID);
port = get_kb_item("SMB/transport");
if(port) port = int(port);
else port = 445;
installs = get_installs(app_name:appname, exit_if_not_found:TRUE);
foreach install (installs[1])
{
version = install['version'];
path = install['path'];
if (version =~ '^2\\.0\\.') fix = '2.1.0';
else if (version =~ '^1\\.1\\.') fix = '1.1.10';
else if (version =~ '^1\\.0\\.') fix = '1.0.13';
if (!empty_or_null(fix) && ver_compare(ver:version, fix:fix, strict:FALSE) < 0)
report +=
'\n Path : ' + path +
'\n Installed version : ' + version +
'\n Fixed version : ' + fix +
'\n';
}
if (empty_or_null(report))
audit(AUDIT_INST_VER_NOT_VULN, appname);
security_report_v4(port:port, severity:SECURITY_WARNING, extra:report);
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
0.036 Low
EPSS
Percentile
91.7%