CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
AI Score
Confidence
High
EPSS
Percentile
95.5%
PHPMailer is prone to a denial of service (DoS) vulnerability.
# Copyright (C) 2018 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:phpmailer_project:phpmailer";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.108470");
script_version("2022-12-02T10:11:16+0000");
script_cve_id("CVE-2005-1807");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_tag(name:"last_modification", value:"2022-12-02 10:11:16 +0000 (Fri, 02 Dec 2022)");
script_tag(name:"creation_date", value:"2018-09-25 09:59:32 +0200 (Tue, 25 Sep 2018)");
script_name("PHPMailer < 1.73 Long Header DoS Vulnerability");
script_copyright("Copyright (C) 2018 Greenbone Networks GmbH");
script_category(ACT_GATHER_INFO);
script_family("Web application abuses");
script_dependencies("gb_phpmailer_detect.nasl");
script_mandatory_keys("phpmailer/detected");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/13805");
script_xref(name:"URL", value:"https://github.com/PHPMailer/PHPMailer/blob/master/SECURITY.md");
script_tag(name:"summary", value:"PHPMailer is prone to a denial of service (DoS) vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"The flaw exists within the Data function in class.smtp.php
leading to an infitite loop if a long header field is passed.");
script_tag(name:"impact", value:"Attackers can exploit this issue to cause a denial of service
(infinite loop leading to memory and CPU consumption).");
script_tag(name:"affected", value:"PHPMailer versions before 1.73 are vulnerable.");
script_tag(name:"solution", value:"Update to version 1.73 or later.");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"remote_banner");
exit(0);
}
include("version_func.inc");
include("host_details.inc");
if( ! 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"];
# nb: Advisory says "1.7.2" but the ChangeLog files evaluated by the Detection-VT have 1.72, 1.73 and so on.
if( version_is_less_equal( version:version, test_version:"1.72" ) ) {
report = report_fixed_ver( installed_version:version, fixed_version:"1.73", install_url:location );
security_message( port:port, data:report );
exit( 0 );
}
exit( 99 );