Apache Log4j is prone to a remote code execution (RCE)
vulnerability.
# Copyright (C) 2021 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:apache:log4j";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.117864");
script_version("2021-12-22T14:03:25+0000");
script_tag(name:"last_modification", value:"2021-12-22 14:03:25 +0000 (Wed, 22 Dec 2021)");
script_tag(name:"creation_date", value:"2021-12-22 10:19:26 +0000 (Wed, 22 Dec 2021)");
script_tag(name:"cvss_base", value:"7.5");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-06-29 23:15:00 +0000 (Tue, 29 Jun 2021)");
script_cve_id("CVE-2019-17571");
script_tag(name:"qod_type", value:"executable_version");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Apache Log4j 1.2.x <= 1.2.17 RCE Vulnerability - Windows");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
script_family("General");
script_dependencies("gb_apache_log4j_consolidation.nasl", "os_detection.nasl");
script_mandatory_keys("apache/log4j/detected", "Host/runs_windows");
script_tag(name:"summary", value:"Apache Log4j is prone to a remote code execution (RCE)
vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"Included in Log4j 1.2 is a SocketServer class that is vulnerable
to deserialization of untrusted data which can be exploited to remotely execute arbitrary code
when combined with a deserialization gadget when listening to untrusted network traffic for log
data.");
script_tag(name:"affected", value:"Apache Log4j versions 1.2.x through 1.2.17.");
script_tag(name:"solution", value:"Apache Log4j 1.2 reached end of life in August 2015. Users
should upgrade to Log4j 2.x which both addresses that vulnerability as well as numerous other
issues in the previous versions.");
script_xref(name:"URL", value:"https://lists.apache.org/thread/173yrzw9trfy6xdydfz05tsvp79z8rt7");
script_xref(name:"URL", value:"https://issues.apache.org/jira/browse/LOG4J2-1863");
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_in_range( version:version, test_version:"1.2", test_version2:"1.2.17" ) ) {
report = report_fixed_ver( installed_version:version, fixed_version:"2.x", install_path:location );
security_message( port:port, data:report );
exit( 0 );
}
exit( 99 );