Cyrus IMAPd NNTP AUTHINFO USER Command Parsing Authentication Bypass

This script is Copyright (C) 2011-2016 Tenable Network Security, Inc.

Synopsis :

The remote NNTP server is affected by an authentication bypass

Description :

The remote NNTP server contains a logic error that causes clients
that send only a username, neglecting to send a password, to be
treated as authenticated. This may permit an unauthenticated, remote
attacker to view and post to restricted newsgroups, impersonating
other users in the process.

See also :

Solution :

Upgrade Cyrus IMAPd to version 2.4.12 or later.

Risk factor :

Medium / CVSS Base Score : 6.4
CVSS Temporal Score : 5.3
Public Exploit Available : true

Family: General

Nessus Plugin ID: 57336 ()

Bugtraq ID: 49949

CVE ID: CVE-2011-3372

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