CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
AI Score
Confidence
Low
EPSS
Percentile
71.6%
Tenable Nessus is prone to multiple vulnerabilities.
# SPDX-FileCopyrightText: 2019 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:tenable:nessus";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.107443");
script_version("2023-11-17T16:10:13+0000");
script_tag(name:"last_modification", value:"2023-11-17 16:10:13 +0000 (Fri, 17 Nov 2023)");
script_tag(name:"creation_date", value:"2019-01-09 12:18:54 +0100 (Wed, 09 Jan 2019)");
script_tag(name:"cvss_base", value:"4.3");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:N/A:N");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2022-08-29 20:41:00 +0000 (Mon, 29 Aug 2022)");
script_cve_id("CVE-2018-0734", "CVE-2018-5407");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Tenable Nessus 8.x < 8.1.1 Multiple Vulnerabilities (TNS-2018-16)");
script_copyright("Copyright (C) 2019 Greenbone AG");
script_category(ACT_GATHER_INFO);
script_family("Web application abuses");
script_dependencies("gb_tenable_nessus_consolidation.nasl");
script_mandatory_keys("tenable/nessus/detected");
script_tag(name:"summary", value:"Tenable Nessus is prone to multiple vulnerabilities.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"Tenable Nessus is affected by multiple vulnerabilities:
- A flaw in the bundled third-party component OpenSSL library's DSA signature algorithm that
renders it vulnerable to a timing side channel attack.
- A flaw in the bundled third-party component OpenSSL library's Simultaneous Multithreading (SMT)
architectures which render it vulnerable to side-channel leakage. This issue is known as
'PortSmash'.");
script_tag(name:"impact", value:"Successful exploitation will allow remote attackers potentially to
recover the private key. They could possibly use this issue to perform a timing side-channel attack
and recover private keys.");
script_tag(name:"affected", value:"Tenable Nessus version 8.x prior to version 8.1.1."); # TNS-2018-17 addresses these two vulnerabilities for versions < 7.1.4
script_tag(name:"solution", value:"Update to version 8.1.1 or later.");
script_xref(name:"URL", value:"https://www.tenable.com/security/tns-2018-16");
exit(0);
}
include("version_func.inc");
include("host_details.inc");
if(isnull(port = get_app_port(cpe:CPE)))
exit(0);
if(!infos = get_app_version_and_location(cpe:CPE, port:port, exit_no_version:TRUE))
exit(0);
vers = infos["version"];
path = infos["location"];
if(version_in_range(version: vers, test_version: "8.0.0", test_version2: "8.1.0")) {
report = report_fixed_ver(installed_version:vers, fixed_version:"8.1.1", install_path:path);
security_message(data:report, port:port);
exit(0);
}
exit(99);
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
AI Score
Confidence
Low
EPSS
Percentile
71.6%