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https://issues.apache.org/jira/browse/DIRAPI-443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Emmanuel Lécharny resolved DIRAPI-443.
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Resolution: Fixed
Fixed with commit 9c37113c0b42072732d51c69313909520397f49c
> Synchronous simple bind sends unauthenticated bind on empty password
> --------------------------------------------------------------------
>
> Key: DIRAPI-443
> URL: https://issues.apache.org/jira/browse/DIRAPI-443
> Project: Directory Client API
> Issue Type: Bug
> Affects Versions: 2.1.8
> Reporter: Emmanuel Lécharny
> Priority: Major
> Fix For: 2.1.9
>
>
> A web app authenticates users via _connection.bind(userDn,
> request.getParameter("password"))_;
> An attacker submits a valid username with an empty password;
> The library sends *DN* + zero-length credentials, the server replies
> *SUCCESS* (anonymous), bind() returns normally, and the attacker is logged in
> as that user.
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