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
AI Score
Confidence
Low
EPSS
Percentile
71.5%
OpenSSL might create weak keys on specific FreeBSD versions.
# Copyright (C) 2020 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
CPE = "cpe:/a:openssl:openssl";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.117032");
script_version("2022-04-13T07:21:45+0000");
script_tag(name:"last_modification", value:"2022-04-13 07:21:45 +0000 (Wed, 13 Apr 2022)");
script_tag(name:"creation_date", value:"2020-11-09 10:42:16 +0000 (Mon, 09 Nov 2020)");
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_cve_id("CVE-2000-0535");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_tag(name:"solution_type", value:"VendorFix");
script_name("OpenSSL <= 0.9.4 Weak Key Vulnerability");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2020 Greenbone Networks GmbH");
script_family("General");
script_dependencies("gb_openssl_consolidation.nasl", "os_detection.nasl");
script_mandatory_keys("openssl/detected", "Host/runs_unixoide");
script_tag(name:"summary", value:"OpenSSL might create weak keys on specific FreeBSD versions.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"OpenSSL for FreeBSD does not properly check for the existence of the
/dev/random or /dev/urandom devices, which are absent on FreeBSD Alpha systems, which causes it to
produce weak keys which may be more easily broken.");
script_tag(name:"affected", value:"OpenSSL versions up to and including 0.9.4 on FreeBSD.");
script_tag(name:"solution", value:"Please contact the vendor for additional information regarding
existing (or recent) updates.");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/1340");
exit(0);
}
include("host_details.inc");
include("version_func.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);
version = infos["version"];
location = infos["location"];
if (version_is_less_equal(version: version, test_version: "0.9.4")) {
report = report_fixed_ver(installed_version: version, fixed_version: "See solution tag", install_path: location);
security_message(port: port, data: report);
exit(0);
}
exit(99);