This host is running Apache HTTP Server
and is prone to denial-of-service vulnerability
###############################################################################
# OpenVAS Vulnerability Test
#
# Apache HTTP Server Denial-Of-Service Vulnerability June17 (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("1.3.6.1.4.1.25623.1.0.811216");
script_version("2019-07-05T10:41:31+0000");
script_cve_id("CVE-2017-7668");
script_bugtraq_id(99137);
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:"last_modification", value:"2019-07-05 10:41:31 +0000 (Fri, 05 Jul 2019)");
script_tag(name:"creation_date", value:"2017-06-21 17:42:03 +0530 (Wed, 21 Jun 2017)");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_name("Apache HTTP Server Denial-Of-Service Vulnerability June17 (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 due to an error in the
token list parsing, which allows ap_find_token() to search past the end of its
input string. By maliciously crafting a sequence of request headers, an
attacker may be able to cause a segmentation fault, or to force
ap_find_token() to return an incorrect value.");
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 versions 2.2.32, 2.4.24
and 2.4.25 on Linux.");
script_tag(name:"solution", value:"Upgrade to Apache HTTP Server 2.2.33 or 2.4.26
or later.");
script_tag(name:"solution_type", value:"VendorFix");
script_xref(name:"URL", value:"http://seclists.org/oss-sec/2017/q2/510");
script_xref(name:"URL", value:"http://httpd.apache.org/security/vulnerabilities_22.html");
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")||
version_is_equal(version:httpd_ver, test_version:"2.4.24")){
fix = "2.4.26";
}
}
else if(httpd_ver =~ "^2\.2")
{
if(version_is_equal(version:httpd_ver, test_version:"2.2.32")){
fix = "2.2.33";
}
}
if(fix)
{
report = report_fixed_ver(installed_version:httpd_ver, fixed_version:fix);
security_message(data:report, port:httpd_port);
exit(0);
}