7.5 High
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
7.4 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.001 Low
EPSS
Percentile
39.1%
Oracle OpenJDK is prone to vulnerability in the implementation
of ECDSA signature verification (Component: security-libs/java.security).
# Copyright (C) 2022 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:oracle:openjdk";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.113919");
script_version("2022-05-02T06:59:15+0000");
script_tag(name:"last_modification", value:"2022-05-02 06:59:15 +0000 (Mon, 02 May 2022)");
script_tag(name:"creation_date", value:"2022-04-21 07:39:21 +0000 (Thu, 21 Apr 2022)");
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:"severity_vector", value:"CVSS:3.1/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:"2022-04-29 03:15:00 +0000 (Fri, 29 Apr 2022)");
script_cve_id("CVE-2022-21449");
script_tag(name:"qod_type", value:"executable_version_unreliable");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Oracle OpenJDK ECDSA Signatures Vulnerability (CVE-2022-21449)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2022 Greenbone Networks GmbH");
script_family("General");
script_dependencies("secpod_openjdk_detect.nasl");
script_mandatory_keys("openjdk/detected");
script_tag(name:"summary", value:"Oracle OpenJDK is prone to vulnerability in the implementation
of ECDSA signature verification (Component: security-libs/java.security).");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"The implementation of ECDSA signature verification didn't check
if the two values r or s within an ECDSA signature were zero, so you could produce a signature
value in which they are both 0 (appropriately encoded) and Java would accept it as a valid
signature for any message and for any public key.
Please seee the referenced 'Psychic Signatures in Java' blog post for more technical background
info.");
script_tag(name:"affected", value:"Oracle OpenJDK versions 15, 17 and 18.");
script_tag(name:"solution", value:"The vendor has released updates. Please see the references for
more information.");
script_xref(name:"URL", value:"https://openjdk.java.net/groups/vulnerability/advisories/2022-04-19");
script_xref(name:"URL", value:"https://mail.openjdk.java.net/pipermail/vuln-announce/2022-April/000015.html");
script_xref(name:"URL", value:"https://neilmadden.blog/2022/04/19/psychic-signatures-in-java/");
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 (vers =~ "^15\." && version_is_less(version: vers, test_version: "15.0.7")) {
report = report_fixed_ver(installed_version: vers, fixed_version: "15.0.7", install_path: path);
security_message(port: port, data: report);
exit(0);
}
if (vers =~ "^17\." && version_is_less(version: vers, test_version: "17.0.3")) {
report = report_fixed_ver(installed_version: vers, fixed_version: "17.0.3", install_path: path);
security_message(port: port, data: report);
exit(0);
}
if (vers =~ "^18\." && version_is_less(version: vers, test_version: "18.0.1")) {
report = report_fixed_ver(installed_version: vers, fixed_version: "18.0.1", install_path: path);
security_message(port: port, data: report);
exit(0);
}
exit(99);
7.5 High
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
7.4 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.001 Low
EPSS
Percentile
39.1%