code | #
# (C) Tenable Network Security, Inc.
#
# Script audit and contributions from Carmichael Security
# Erik Anderson <[email protected]> (nb: this domain no longer exists)
# Added BugtraqID
#
# Vulnerability found by Russell Handorf <[email protected]>
include("compat.inc");
if (description)
{
script_id(10724);
script_version ("1.29");
script_cvs_date("Date: 2018/11/15 20:50:23");
script_cve_id("CVE-2001-1430");
script_bugtraq_id(3017);
script_name(english:"Cayman DSL Router Single Character String Authentication Bypass.");
script_summary(english:"Tries to login using default credentials");
script_set_attribute(
attribute:"synopsis",
value:"The remote router is secured with a default username and password."
);
script_set_attribute(attribute:"description", value:
"The remote host appears to be a Cayman DSL router. This device
contains an insecure user account - it was possible to login with a
username of '{' and no password."
);
script_set_attribute(
attribute:"see_also",
value:"https://seclists.org/bugtraq/2001/Jul/183"
);
script_set_attribute(
attribute:"solution",
value:"Give the account a strong password."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2001/07/11");
script_set_attribute(attribute:"plugin_publication_date", value:"2001/08/13");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/h:cayman:3220-h_dsl_router");
script_set_attribute(attribute:"exploited_by_nessus", value:"true");
script_set_attribute(attribute:"default_account", value:"true");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Misc.");
script_copyright(english:"This script is Copyright (C) 2001-2018 Tenable Network Security, Inc.");
script_dependencies("find_service1.nasl", "os_fingerprint.nasl");
script_require_ports("Services/telnet", 23);
script_exclude_keys("global_settings/supplied_logins_only");
exit(0);
}
#
# The script code starts here
#
include('audit.inc');
include('telnet_func.inc');
include('global_settings.inc');
include('misc_func.inc');
os = get_kb_item("Host/OS");
if ( ! os && ! thorough_tests ) exit(0, "Nessus was not able to identify the OS on the remote host and 'thorough_tests' are not enabled.");
if ( "Cayman" >!< os ) audit(AUDIT_OS_NOT, "Cayman");
port = get_service(svc:"telnet", default:23, exit_on_fail:TRUE);
if (supplied_logins_only) audit(AUDIT_SUPPLIED_LOGINS_ONLY);
login = raw_string(0x7D);
banner = get_telnet_banner(port:port);
if ( ! banner || "login" >!< banner ) exit(0, "The Telnet banner on port "+ port +" is not for a login to a Cayman DSL Router.");
soc = open_sock_tcp(port);
if(soc)
{
buf = telnet_negotiate(socket:soc);
if("login" >< buf)
{
r = recv(socket:soc, length:2048);
b = buf + r;
send(socket:soc, data:login + '\r\n');
r = recv(socket:soc, length:2048);
send(socket:soc, data:'\r\n');
r = recv(socket:soc, length:4096);
if("completed login" >< b)
{
if (report_verbosity > 0)
{
report =
'\n' +
'Nessus was able to gain access using the following information :\n' +
'\n' +
' User : root\n' +
' Password : pass\n';
security_hole(port:port, extra:report);
}
else security_hole(port);
close(soc);
exit(0);
}
}
close(soc);
audit(AUDIT_HOST_NOT, 'affected');
}
else audit(AUDIT_SOCK_FAIL, port);
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