Multiple Vendor rpc.nisd Long NIS+ Argument Remote Overflow

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(10251);
  script_version("1.28");
  script_cvs_date("Date: 2018/11/15 20:50:24");

  script_cve_id("CVE-1999-0008");
  script_bugtraq_id(104);

  script_name(english:"Multiple Vendor rpc.nisd Long NIS+ Argument Remote Overflow");
  script_summary(english:"Buffer overflow through rpc.nisd");

  script_set_attribute(
    attribute:'synopsis',
    value:'The remote service is vulnerable to a buffer overflow attack.'
  );
  script_set_attribute(
    attribute:'description',
    value:
"The remote RPC service 100300 (nisd) is vulnerable to a buffer overflow
attack that allows any user to obtain a root shell on this host."
  );
  script_set_attribute(
    attribute:'solution',
    value: "Disable this service if you don't use it, or apply the relevant patch."
  );
  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:'see_also', value:"http://www.nessus.org/u?a463d031");
  script_set_attribute(attribute:'see_also', value:'https://www.sei.cmu.edu/about/divisions/cert/index.cfm');

  script_set_attribute(attribute:"vuln_publication_date", value:"1998/06/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2002/08/26");

  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_end_attributes();

  script_category(ACT_MIXED_ATTACK); # mixed
  script_copyright(english:"This script is Copyright (C) 2002-2018 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"RPC");

  script_dependencies("rpc_portmap.nasl");
  script_require_keys("rpc/portmap", "Settings/ParanoidReport");

  exit(0);
}

include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("sunrpc_func.inc");

if (report_paranoia < 2) audit(AUDIT_PARANOID);

version = get_kb_item("Host/Solaris/Version");
if ( version && ereg(pattern:"^5\.([7-9]|10)", string:version)) audit(AUDIT_OS_NOT, "Solaris 5.7 - 5.10");

function ping(port)
{
 local_var r, req, soc;

 req =  raw_string(0x3A, 0x90, 0x9C, 0x2F, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x01,
  0x87, 0xCC, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00,
  0x00, 0x16, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x04) + crap(4);
  soc = open_sock_udp(port);
  if(!soc)exit(0);
  send(socket:soc, data:req);
  r = recv(socket:soc, length:512);
  if(r) return 1;
  else return 0;
}

port = get_rpc_port2(program:100300, protocol:IPPROTO_UDP);
if(port)
{
  if(safe_checks())
  {
  data = "
The remote RPC service 100300 (nisd) *may* be vulnerable
to a buffer overflow which allows any user to obtain a root
shell on this host.

*** Nessus did not actually check for this flaw, so this
*** might be a false positive.";
  security_hole(port:port, proto:"udp", extra:data);
  exit(0);
  }


  if(get_udp_port_state(port))
  {
   if(ping(port:port))
   {
   soc = open_sock_udp(port);
   if(soc)
   {
    #
    # We forge a bogus RPC request, with a way too long
    # argument. The remote process will die immediately,
    # and hopefully painlessly.
    #
    req = raw_string(0x3A, 0x90, 0x9C, 0x2F, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x01,
  0x87, 0xCC, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00,
  0x00, 0x16, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x09, 0x2C) + crap(3500);


     send(socket:soc, data:req);
     r = recv(socket:soc, length:4096);
     close(soc);

     if(!ping(port:port))security_hole(port:port, proto:"udp");
   }
   }
 }
}