This host is running OpenSSL and is prone
to an overflow bug.
###############################################################################
# OpenVAS Vulnerability Test
#
# OpenSSL Overflow Vulnerability - DEC 2017 (Linux)
#
# Authors:
# Tameem Eissa <[email protected]>
#
# Copyright:
# Copyright (C) 2017 Greenbone Networks GmbH, http://www.greenbone.net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# 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("1.3.6.1.4.1.25623.1.0.107269");
script_version("2019-10-23T10:55:06+0000");
script_tag(name:"last_modification", value:"2019-10-23 10:55:06 +0000 (Wed, 23 Oct 2019)");
script_tag(name:"creation_date", value:"2017-12-08 12:22:37 +0100 (Fri, 08 Dec 2017)");
script_cve_id("CVE-2017-3738");
script_bugtraq_id(102118);
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:"qod_type", value:"remote_banner_unreliable");
script_name("OpenSSL Overflow Vulnerability - DEC 2017 (Linux)");
script_tag(name:"summary", value:"This host is running OpenSSL and is prone
to an overflow bug.");
script_tag(name:"vuldetect", value:"Get the installed version and check if it is vulnerable.");
script_tag(name:"insight", value:"The overflow bug is in the AVX2 Montgomery multiplication procedure
used in exponentiation with 1024-bit moduli.");
script_tag(name:"impact", value:"Successfully exploiting this issue would allow an attacker to derive information about the private key.");
script_tag(name:"affected", value:"OpenSSL 1.0.2 before 1.0.2n. OpenSSL 1.1.0 before 1.1.0h.
NOTE: This issue only affects 64-bit installations.");
script_tag(name:"solution", value:"OpenSSL 1.0.2 users should upgrade to 1.0.2n. OpenSSL 1.1.0 should upgrade to 1.1.0h
when it is available, a fix is also available in commit e502cc86d in the OpenSSL git repository.");
script_xref(name:"URL", value:"https://www.openssl.org/news/secadv/20171207.txt");
script_tag(name:"solution_type", value:"VendorFix");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2017 Greenbone Networks GmbH");
script_family("General");
script_dependencies("gb_openssl_detect.nasl", "gb_openssl_detect_lin.nasl", "os_detection.nasl");
script_mandatory_keys("openssl/detected", "Host/runs_unixoide");
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);
vers = infos['version'];
path = infos['location'];
if (vers =~ "^1\.0\.2")
{
if(version_is_less(version:vers, test_version:"1.0.2n"))
{
report = report_fixed_ver(installed_version:vers, fixed_version:"1.0.2n", install_path:path);
security_message(port:port, data:report);
exit(0);
}
}
else if (vers =~ "^1\.1\.0")
{
if(version_is_less(version:vers, test_version:"1.1.0h"))
{
report = report_fixed_ver(installed_version:vers, fixed_version:"1.1.0h", install_path:path);
security_message(port:port, data:report);
exit(0);
}
}
exit(99);