This host is running Apache HTTP Server
and is prone to denial-of-service vulnerability
###############################################################################
# OpenVAS Vulnerability Test
#
# Apache HTTP Server 'mod_http2 null pointer dereference' DoS Vulnerability (Linux)
#
# Authors:
# Shakeel <[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:apache:http_server";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.811218");
script_version("2019-07-05T10:41:31+0000");
script_cve_id("CVE-2017-7659");
script_bugtraq_id(99132);
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:"2019-07-05 10:41:31 +0000 (Fri, 05 Jul 2019)");
script_tag(name:"creation_date", value:"2017-06-21 17:55:58 +0530 (Wed, 21 Jun 2017)");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_name("Apache HTTP Server 'mod_http2 null pointer dereference' DoS Vulnerability (Linux)");
script_tag(name:"summary", value:"This host is running Apache HTTP Server
and is prone to denial-of-service 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 as a maliciously constructed
HTTP/2 request could cause mod_http2 to dereference a NULL pointer and crash
the server process.");
script_tag(name:"impact", value:"Successful exploitation will allow remote
attackers to cause a denial-of-service condition.");
script_tag(name:"affected", value:"Apache HTTP Server version 2.4.25 on Linux.");
script_tag(name:"solution", value:"Upgrade to Apache HTTP Server 2.4.26 or
later.");
script_tag(name:"solution_type", value:"VendorFix");
script_xref(name:"URL", value:"http://seclists.org/oss-sec/2017/q2/504");
script_xref(name:"URL", value:"http://httpd.apache.org/security/vulnerabilities_24.html");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2017 Greenbone Networks GmbH");
script_family("Web Servers");
script_dependencies("secpod_apache_detect.nasl", "os_detection.nasl");
script_mandatory_keys("apache/installed", "Host/runs_unixoide");
script_require_ports("Services/www", 80);
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if(!httpd_port = get_app_port(cpe:CPE)){
exit(0);
}
if(!httpd_ver = get_app_version(cpe:CPE, port:httpd_port)){
exit(0);
}
if(httpd_ver =~ "^2\.4")
{
if(version_is_equal(version:httpd_ver, test_version:"2.4.25"))
{
report = report_fixed_ver(installed_version:httpd_ver, fixed_version:"2.4.26");
security_message(data:report, port:httpd_port);
exit(0);
}
}
exit(0);