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Moderately critical

Nortel VPN Router Default User Accounts and Missing Authentication Checks

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Release Date:  2007-04-20    Last Update:  2007-05-02    Views:  16,615

Secunia Advisory SA24962

Where:

From remote

Impact:

Security Bypass, Manipulation of data

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability and a security issue have been reported in Nortel VPN Routers, which can be exploited by malicious people to bypass certain security restrictions or manipulate certain data.

1) Two default user accounts ("FIPSecryptedtest1219" and "FIPSunecryptedtest1219") are configured on the VPN Router, which are not readily visible to the system manager. These can be exploited to gain unauthorized access to the private network.

2) Missing authentication checks within two template files of the web management tool can be exploited to e.g. modify certain router configurations.

An issue regarding same DES keys used to encrypt user's passwords has also been reported, which can facilitate brute-force attacks on user's passwords if the attacker were to gain access to the LDAP store.

The vulnerability and security issue reportedly affect the following products:
* Contivity 1000 VPN Switch
* Contivity 2000 VPN Switch
* Contivity 4000 VPN Switch
* VPN Router 5000
*VPN Router Portfolio


Solution:
Update to versions 6_05.140, 5_05.304, or 5_05.149.

Further details available to Secunia VIM customers

Provided and/or discovered by:
The vendor credits Detack GmbH.

Original Advisory:
Nortel:
http://www130.nortelnetworks.com/go/main.jsp?cscat=BLTNDETAIL&DocumentOID=567877&RenditionID=&poid=null

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Nortel VPN Router Default User Accounts and Missing Authentication Checks

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