Cisco IOS Port Scan Remote DoS (CSCds07326)

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

# Script audit and contributions from Carmichael Security
#      Erik Anderson <[email protected]> (nb: domain no longer exists)
#      Added BugtraqID and CVE
#


include("compat.inc");

if(description)
{
 script_id(10977);
 script_version("1.22");
 script_cve_id("CVE-2001-0750");
 script_bugtraq_id(2804);

 script_name(english:"Cisco IOS Port Scan Remote DoS (CSCds07326)");

 script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch" );
 script_set_attribute(attribute:"description", value:
"Some security scanners can force a Cisco device to reload.

An attacker may use this flaw to prevent your network
from working properly.

This vulnerability is documented as Cisco Bug ID CSCds07326." );
 script_set_attribute(attribute:"solution", value:
"http://www.nessus.org/u?3794b3d8" );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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:"plugin_publication_date", value: "2002/06/05");
 script_cvs_date("Date: 2018/06/27 18:42:25");
 script_set_attribute(attribute:"vuln_publication_date", value: "2001/05/24");
 script_set_attribute(attribute:"plugin_type", value:"local");
 script_set_attribute(attribute:"cpe", value: "cpe:/o:cisco:ios");
 script_end_attributes();

 script_summary(english:"Uses SNMP to determine if a flaw is present");
 script_category(ACT_GATHER_INFO);
 script_copyright(english:"This script is (C) 2002-2018 Tenable Network Security, Inc.");
 script_family(english:"CISCO");
 script_dependencie("snmp_sysDesc.nasl", "snmp_cisco_type.nasl");
 script_require_keys("SNMP/community", "SNMP/sysDesc", "CISCO/model");
 exit(0);
}

# The code starts here

ok=0;
os = get_kb_item("SNMP/sysDesc"); if(!os)exit(0);
hardware = get_kb_item("CISCO/model"); if(!hardware)exit(0);




# Check for the required hardware...
#----------------------------------------------------------------
# ciscoIGS
if(ereg(string:hardware, pattern:"^ciscoIGS$"))ok=1;

# ciscoAGSplus
if(ereg(string:hardware, pattern:"^ciscoAGSplus$"))ok=1;

# cisco800
if(ereg(string:hardware, pattern:"^cisco80[0-9]$"))ok=1;

# ciscoABR900
if(ereg(string:hardware, pattern:"^ciscoABR90[0-9]$"))ok=1;

# cisco1000
if(ereg(string:hardware, pattern:"^cisco10[0-9][0-9]$"))ok=1;

# cisco2500
if(ereg(string:hardware, pattern:"^cisco25[0-9][0-9]$"))ok=1;

# cisco2600
if(ereg(string:hardware, pattern:"^cisco26[0-9][0-9]$"))ok=1;

# cisco3000
if(ereg(string:hardware, pattern:"^cisco30[0-9][0-9]$"))ok=1;

# cisco3600
if(ereg(string:hardware, pattern:"^cisco36[0-9][0-9]$"))ok=1;

# cisco3800
if(ereg(string:hardware, pattern:"^cisco38[0-9][0-9]$"))ok=1;

# cisco4000
if(ereg(string:hardware, pattern:"^cisco40[0-9][0-9]$"))ok=1;

# cisco4500
if(ereg(string:hardware, pattern:"^cisco45[0-9][0-9]$"))ok=1;

# cisco4700
if(ereg(string:hardware, pattern:"^cisco47[0-9][0-9]$"))ok=1;

# ciscoAS5200
if(ereg(string:hardware, pattern:"^ciscoAS52[0-9][0-9]$"))ok=1;

# ciscoAS5300
if(ereg(string:hardware, pattern:"^ciscoAS53[0-9][0-9]$"))ok=1;

# ciscoAS5800
if(ereg(string:hardware, pattern:"^ciscoAS58[0-9][0-9]$"))ok=1;

# cisco6400
if(ereg(string:hardware, pattern:"^cisco64[0-9][0-9]$"))ok=1;

# cisco7000
if(ereg(string:hardware, pattern:"^cisco70[0-9][0-9]$"))ok=1;

# cisco7200
if(ereg(string:hardware, pattern:"^cisco72[0-9][0-9]$"))ok=1;

# ciscoUBR7200
if(ereg(string:hardware, pattern:"^ciscoUBR72[0-9][0-9]$"))ok=1;

# cisco7500
if(ereg(string:hardware, pattern:"^cisco75[0-9][0-9]$"))ok=1;

# cisco12000
if(ereg(string:hardware, pattern:"^cisco12[0-9][0-9][0-9]$"))ok=1;

# catalyst2908xl
if(ereg(string:hardware, pattern:"^catalyst2908xl$"))ok=1;

# ciscoLS1010
if(ereg(string:hardware, pattern:"^ciscoLS101[0-9]$"))ok=1;

if(!ok)exit(0);
ok = 0;


# Check for the required operating system...
#----------------------------------------------------------------
# Is this IOS ?
if(!egrep(pattern:".*(Internetwork Operating|IOS).*", string:os))exit(0);
# 12.1DB
if(egrep(string:os, pattern:"(12\.1\([0-3]\)|12\.1)DB[0-9]*,"))ok=1;

# 12.1DC
if(egrep(string:os, pattern:"(12\.1\([0-3]\)|12\.1)DC[0-9]*,"))ok=1;

# 12.1T
if(egrep(string:os, pattern:"(12\.1\([0-4]\)|12\.1)T[0-9]*,"))ok=1;

# 12.1XB
if(egrep(string:os, pattern:"(12\.1\([0-9]*\)|12\.1)XB[0-9]*,"))ok=1;

# 12.1XD
if(egrep(string:os, pattern:"(12\.1\([0-9]*\)|12\.1)XD[0-9]*,"))ok=1;

# 12.1XE
if(egrep(string:os, pattern:"(12\.1\([0-9]*\)|12\.1)XE[0-9]*,"))ok=1;

# 12.1XF
if(egrep(string:os, pattern:"(12\.1\([0-9]*\)|12\.1)XF[0-9]*,"))ok=1;

# 12.1XG
if(egrep(string:os, pattern:"(12\.1\([0-9]*\)|12\.1)XG[0-9]*,"))ok=1;

# 12.1XH
if(egrep(string:os, pattern:"(12\.1\([0-9]*\)|12\.1)XH[0-9]*,"))ok=1;

# 12.1XI
if(egrep(string:os, pattern:"(12\.1\([0-9]*\)|12\.1)XI[0-9]*,"))ok=1;

# 12.1XJ
if(egrep(string:os, pattern:"(12\.1\([0-9]*\)|12\.1)XJ[0-9]*,"))ok=1;

# 12.1XH
if(egrep(string:os, pattern:"(12\.1\([0-9]*\)|12\.1)XH[0-9]*,"))ok=1;

# 12.1XI
if(egrep(string:os, pattern:"(12\.1\([0-9]*\)|12\.1)XI[0-9]*,"))ok=1;

# 12.1XJ
if(egrep(string:os, pattern:"(12\.1\([0-9]*\)|12\.1)XJ[0-9]*,"))ok=1;

# 12.1XK
if(egrep(string:os, pattern:"(12\.1\([0-9]*\)|12\.1)XK[0-9]*,"))ok=1;

# 12.1XL
if(egrep(string:os, pattern:"(12\.1\([0-9]*\)|12\.1)XL[0-9]*,"))ok=1;

# 12.1XP
if(egrep(string:os, pattern:"(12\.1\([0-9]*\)|12\.1)XP[0-9]*,"))ok=1;

# 12.1XQ
if(egrep(string:os, pattern:"(12\.1\([0-9]*\)|12\.1)XQ[0-9]*,"))ok=1;

# 12.1XS
if(egrep(string:os, pattern:"(12\.1\([0-9]*\)|12\.1)XS[0-9]*,"))ok=1;

# 12.1XT
if(egrep(string:os, pattern:"(12\.1\([0-9]*\)|12\.1)XT[0-9]*,"))ok=1;


#----------------------------------------------

if(ok)security_warning(port:161, proto:"udp");