This host is running ModSecurity and is prone to Denial of Service
Vulnerabilities.
###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_modesecurity_remote_dos_vuln.nasl 4869 2016-12-29 11:01:45Z teissa $
#
# ModSecurity Multiple Remote Denial of Service Vulnerabilities
#
# Authors:
# Antu Sanadi <[email protected]>
#
# Copyright:
# Copyright (c) 2009 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.
###############################################################################
tag_impact = "Successful exploitation could allow remote attackers to cause denial of
service.";
tag_affected = "ModSecurity version prior to 2.5.9 on Linux.";
tag_insight = "The multiple flaws are due to,
- An error in the PDF XSS protection implementation which can be exploited
to cause a crash via a specially crafted HTTP request.
- NULL pointer dereference error when parsing multipart requests can be
exploited to cause a crash via multipart content with a missing part header
name.";
tag_solution = "Upgrade to version 2.5.9 or later.
http://www.modsecurity.org/download/";
tag_summary = "This host is running ModSecurity and is prone to Denial of Service
Vulnerabilities.";
if(description)
{
script_id(800626);
script_version("$Revision: 4869 $");
script_tag(name:"last_modification", value:"$Date: 2016-12-29 12:01:45 +0100 (Thu, 29 Dec 2016) $");
script_tag(name:"creation_date", value:"2009-06-16 15:11:01 +0200 (Tue, 16 Jun 2009)");
script_tag(name:"cvss_base", value:"7.8");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:C");
script_cve_id("CVE-2009-1902", "CVE-2009-1903");
script_bugtraq_id(34096);
script_name("ModSecurity Multiple Remote Denial of Service Vulnerabilities");
script_xref(name : "URL" , value : "http://secunia.com/advisories/34256");
script_xref(name : "URL" , value : "http://www.milw0rm.com/exploits/8241");
script_xref(name : "URL" , value : "http://www.vupen.com/english/advisories/2009/0703");
script_tag(name:"qod_type", value:"executable_version");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2009 Greenbone Networks GmbH");
script_family("Web Servers");
script_mandatory_keys("login/SSH/success");
script_dependencies("gather-package-list.nasl");
script_tag(name : "impact" , value : tag_impact);
script_tag(name : "affected" , value : tag_affected);
script_tag(name : "insight" , value : tag_insight);
script_tag(name : "solution" , value : tag_solution);
script_tag(name : "summary" , value : tag_summary);
exit(0);
}
include("ssh_func.inc");
include("version_func.inc");
sock = ssh_login_or_reuse_connection();
if(!sock){
exit(0);
}
grep = find_bin(prog_name:"grep", sock:sock);
grep = chomp(grep[0]);
garg[0] = "-o";
garg[1] = "-m1";
garg[2] = "-a";
garg[3] = string("ModSecurity v[0-9]\\+.[0-9]\\+.[0-9]\\+");
modName = find_file(file_name:"mod_security2.so", file_path:"/",
useregex:TRUE, regexpar:"$", sock:sock);
foreach binaryName (modName)
{
binaryName = chomp(binaryName);
if(islocalhost())
{
garg[4] = binaryName;
arg = garg;
}
else
{
arg = garg[0] + " " + garg[1] + " " + garg[2] + " " + raw_string(0x22) +
garg[3] + raw_string(0x22) + " " + binaryName;
}
modsecVer = get_bin_version(full_prog_name:grep, version_argv:arg,
ver_pattern:"[0-9]+.[0-9]+.[0-9]+", sock:sock);
if(modsecVer[0] != NULL)
{
if(version_is_less(version:modsecVer[0], test_version:"2.5.9")){
security_message(0);
}
ssh_close_connection();
exit(0);
}
}
ssh_close_connection();