| code | #
# (C) Tenable Network Security, Inc.
#
# References:
#
# From: FX <[email protected]>
# To: [email protected], [email protected]
# Subject: Cisco IOS OSPF exploit
# Message-ID: <[email protected]>
#
#
# From: Mike Caudill <[email protected]>
# Message-Id: <[email protected]>
# Subject: Re: Cisco IOS OSPF exploit
#
# http://www.nessus.org/u?b37db228
#
include("compat.inc");
if(description)
{
script_id(11283);
script_version("1.22");
script_cve_id("CVE-2003-0100");
script_bugtraq_id(6895);
script_name(english:"Cisco IOS OSPF Neighbor Announcement Remote Overflow (CSCdp58462)");
script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch" );
script_set_attribute(attribute:"description", value:
"The Open Shortest Path First (OSPF) implementation in remote
Cisco IOS software versions is vulnerable to a denial of service
if it receives a flood of neighbor announcements in which more than
255 hosts try to establish a neighbor relationship per interface.
An attacker may use this flaw to prevent your router from working
properly
This vulnerability is documented as Cisco Bug ID CSCdp58462." );
script_set_attribute(attribute:"solution", value:
"http://www.nessus.org/u?b37db228" );
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:POC/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"plugin_publication_date", value: "2003/02/28");
script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/27");
script_set_attribute(attribute:"vuln_publication_date", value: "2003/02/20");
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 Copyright (C) 2003-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"CISCO");
script_dependencies("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 operating system...
#----------------------------------------------------------------
# Is this IOS ?
if(!egrep(pattern:".*(Internetwork Operating|IOS).*", string:os))exit(0);
# 11.1
if(egrep(string:os, pattern:"(^|\s+)(11\.1\([0-9]*\)|11\.1),"))ok=1;
# 12.0S
if(egrep(string:os, pattern:"(^|\s+)(12\.0\(([0-9]|1[0-8])\)|12\.0)S[0-9]*,"))ok=1;
# 12.0ST
if(egrep(string:os, pattern:"(^|\s+)(12\.0\(([0-9]|1[0-8])\)|12\.0)ST[0-9]*,"))ok=1;
# 12.1
if(egrep(string:os, pattern:"(^|\s+)(12\.1\([0-1]\)|12\.1),"))ok=1;
# 12.1DB
if(egrep(string:os, pattern:"(^|\s+)(12\.1\([0-0]\)|12\.1)DB[0-9]*,"))ok=1;
# 12.1DC
if(egrep(string:os, pattern:"(^|\s+)(12\.1\([0-0]\)|12\.1)DC[0-9]*,"))ok=1;
# 12.1T
if(egrep(string:os, pattern:"(^|\s+)(12\.1\([0-0]\)|12\.1)T[0-9]*,"))ok=1;
#----------------------------------------------
if(ok)security_hole(port:161, proto:"udp");
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