CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS
Percentile
99.4%
Nessus was able to access the βweb_shell_cmd.gchβ script on the device, which is a backdoor that allows administrative commands to be run on the device without authentication.
#
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description)
{
script_id(73104);
script_version("1.5");
script_cvs_date("Date: 2019/11/26");
script_cve_id("CVE-2014-2321");
script_bugtraq_id(65962);
script_xref(name:"CERT", value:"600724");
script_name(english:"ZTE F460 / F660 Cable Modems web_shell_cmd.gch Administrative Backdoor");
script_summary(english:"Checks for backdoor on device");
script_set_attribute(attribute:"synopsis", value:
"The remote device has a backdoor that allows administrative commands to
be executed without authentication.");
script_set_attribute(attribute:"description", value:
"Nessus was able to access the 'web_shell_cmd.gch' script on the device,
which is a backdoor that allows administrative commands to be run on the
device without authentication.");
script_set_attribute(attribute:"solution", value:
"There are no known vendor updates for this issue. As a workaround,
delete the backdoor script on the device.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:U/RC:ND");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"exploited_by_nessus", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2014/03/03");
script_set_attribute(attribute:"plugin_publication_date", value:"2014/03/19");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/h:zte:f660");
script_set_attribute(attribute:"cpe", value:"cpe:/h:zte:f460");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Backdoors");
script_copyright(english:"This script is Copyright (C) 2014-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("http_version.nasl");
script_require_ports("Services/www", 80, 443);
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
port = get_http_port(default:80, embedded:TRUE);
server_name = http_server_header(port:port);
if ('Mini web server 1.0 ZTE' >!< server_name) audit(AUDIT_NOT_DETECT, 'ZTE Web Server', port);
res = http_send_recv3(item : '/web_shell_cmd.gch',
method : "GET",
port : port,
exit_on_fail : TRUE);
report = '';
if (
'web_shell_cmd.gch' >< res[2] &&
'please input shell command' >< res[2] &&
'ZTE Corporation' >< res[2]
)
{
if (report_verbosity > 0)
{
report +=
'\n' + 'Nessus was able to access a backdoor by visiting the following URL :' +
'\n' +
'\n' + ' ' + build_url(port:port, qs:'/web_shell_cmd.gch') + '\n';
security_hole(port:port, extra:report);
}
else security_hole(port);
}
else audit(AUDIT_LISTEN_NOT_VULN, "ZTE Web Server", port);