Title: COM2001 Alexis Server Web Access Plaintext Password Vulnerabilty
Severity: HIGH
Description:
COM2001 Alexis Server is commercial voicemail/internet-based PBX management software for Microsoft Windows NT/2000 systems. Alexis Server has a Web Access component that can be used with Microsoft Exchange's OWA.
The Web Access component in Alexis Server has a tendency to transmit information in plaintext, including authentication credentials such as username/password. Alexis Server v2.1 has the option to secure transmissions using SSL. However, as a side effect the Web Access toolbar will open a java applet which sends the information back to the server(on port 8888, by default) in plaintext. If the transmitted information is sniffed at this point then the username/password will be disclosed to the attacker.
Alexis v2.0 does not include the option of using SSL to secure communications, so it should be considered to be extra vulnerable to this issue.
It should be noted that Alexis Server v1.1 is not prone to this issue as it does not use the voicemail
username/password for Web Access.
Sucessful exploitation of this issue will allow a remote attacker to gain unauthorized access to voicemail and PBX services.
Affected Products:
- COM2001 Alexis Server 2.0.0
- COM2001 Alexis Server 2.1.0
References:
- COM2001: Alexis Homepage
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