[jboss-jira] [JBoss JIRA] (JGRP-1487) X509Token Authentication is vulnerable to replay attacks

[Bela Ban (JIRA)]

     [ https://issues.jboss.org/browse/JGRP-1487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban updated JGRP-1487:
---------------------------

    Fix Version/s: Future
                       (was: 3.4)


No response, moved to Future
                
> X509Token Authentication is vulnerable to replay attacks
> --------------------------------------------------------
>
>                 Key: JGRP-1487
>                 URL: https://issues.jboss.org/browse/JGRP-1487
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 3.0.9
>            Reporter: sreenivas chinimilli
>            Assignee: Bela Ban
>             Fix For: Future
>
>
> In the implementation of X509Token Authentication
> The auth_value is enrypted with the certificate within the keystore and
> during verification encrypted auth value is decrypted with the private key
> compared against the orignial auth value.
> This implementation is prone to replay attacks, that is
> any user with out having any knowledge of the auth value can join the group
> by replaying the enrypted auth value captured in earlier sessions.

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