[NEWS] Undocumented Account Vulnerability in Avaya P550R/P580/P880/P882 Switches
From: support@securiteam.comDate: 10/17/02
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From: support@securiteam.com To: list@securiteam.com Date: 17 Oct 2002 01:23:23 +0200
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Undocumented Account Vulnerability in Avaya P550R/P580/P880/P882 Switches
------------------------------------------------------------------------
SUMMARY
Two undocumented accounts with default passwords allow access via telnet
and the web interface to Cajun P550R/P580/P880/P882 switches. Both
accounts give developer access to the switch. The vulnerability can be
avoided by upgrading to software version 5.3.0 or later and disabling the
accounts.
DETAILS
Vulnerable systems:
* Avaya Cajun P580 software version 5.2.14
Immune systems:
* Avaya Cajun P580 software version 5.3.0
All previous software versions are assumed to be vulnerable. This problem
is present in P550R,P580,P880 and P882.
Details:
The vulnerable firmware installs the following strings into the switch
configuration by default:
username "root" password encrypted-type1 "$tSfIcnbTP.pxRf7BrhGW31"
access-type admin
username "diag" password encrypted-type1 "$PQO.vGxkvDHkEDCJ2YsoD1"
access-type read-write
username "manuf" password encrypted-type1 "$seHFLP9b16m2v/534WCk90"
access-type read-write
The only documented password is for the root user. This user can't change
the diag and manuf accounts.
The un-documented passwords are:
user password
---- --------
diag danger
manuf xxyyzz
Both of these accounts give developer access to the switch (read-write
access-type), which is more privileged than normal administrative access
(admin access-type).
Recommendations:
As always it is good administrative practice to block access to
administrative interfaces (telnet, web) at the firewall. Upgrading to
software version 5.3.0 or later and disabling the accounts resolves this
issue.
As a temporary workaround download the configuration file via TFTP, edit
out these accounts, or change their password hashes, and upload it to the
switch.
Vendor status:
AVAYA was informed on 2 Oct 2002. The vendor responded the same day,
proved responsive and worked promptly on the problem. Jacek has agreed to
release the information after the release of the official AVAYA advisory.
The official Avaya advisory was out on 11 Oct 2002. The fixed software is
available from the Avaya support site <http://support.avaya.com>
http://support.avaya.com.
Official AVAYA security advisories are located at
<http://support.avaya.com/security/> http://support.avaya.com/security/.
ADDITIONAL INFORMATION
The information has been provided by <mailto:sq5bpf@andra.com.pl> Jacek
Lipkowski.
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