12-13-2010
All the information is there: it's a
Vulnerability that allows an attacker to bypass
authentication.
For example, say such a vulnerability exists in an FTP server. By sending special prepared input an attacker could make the server think that the user is allowed to connect, even though no credentials are know. The attacker could then manipulate files on the server. If this happens to be a download server for software, he could even inject further vulnerabilities into the software provided there.
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LEARN ABOUT DEBIAN
saslpluginviewer
PLUGINVIEWER(8) System Manager's Manual PLUGINVIEWER(8)
NAME
pluginviewer - list loadable SASL plugins and their properties
SYNOPSIS
pluginviewer [-a] [-s] [-c] [-b min=N,max=N] [-e ssf=N,id=ID] [-m MECHS] [-x AUXPROP_MECH] [-f FLAGS] [-p PATH]
DESCRIPTION
pluginviewer can be used by a server administrator to troubleshoot SASL installations. The utility can list loadable (properly configured)
client and server side plugins, as well as auxprop plugins.
OPTIONS
-a List auxprop plugins.
-s List server authentication (SASL) plugins.
-c List client authentication (SASL) plugins.
-b min=N1,max=N2
List client authentication (SASL) plugins. Strength of the SASL security layer in bits. min=N1 specifies the minumum strength to
use (1 => integrity protection). max=N2 specifies the maximum strength to use. Only SASL mechanisms which support security layer
with strength M such that N1 <= M <= N2 will be shown.
-e ssf=N,id=ID
Assume that an external security layer (e.g. TLS) with N-bit strength is installed. The ID is the authentication identity used by
the external security layer.
-m MECHS
Limit listed SASL plugins to the ones included in the MECHS (space separated) list.
-x AUXPROP_MECHS
Limit listed auxprop plugins to the one listed in the AUXPROP_MECHS (space separated) list.
-f FLAGS
Set security flags. FLAGS is a comma separated list of one or more of the following security flags: noplain (SASL mechanism doesn't
send password in the clear during authentication), noactive (require protection from active attacks), nodict (require mechanisms
which are secure against passive dictionary attacks), forwardsec (require forward secrecy), passcred (require mechanisms that can
delegate client credentials), maximum (require all security flags).
-p PATH
Specifies a colon-separated search path for plugins.
SEE ALSO
rfc4422 - Simple Authentication and Security Layer (SASL)
CMU SASL
Apr 10, 2006 PLUGINVIEWER(8)