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Posted to dev@qpid.apache.org by "Clifford Jansen (Jira)" <ji...@apache.org> on 2022/11/01 06:08:00 UTC

[jira] [Resolved] (PROTON-2535) TLS library - false indication of user data in OpenSSL

     [ https://issues.apache.org/jira/browse/PROTON-2535?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Clifford Jansen resolved PROTON-2535.
-------------------------------------
    Resolution: Fixed

> TLS library - false indication of user data in OpenSSL
> ------------------------------------------------------
>
>                 Key: PROTON-2535
>                 URL: https://issues.apache.org/jira/browse/PROTON-2535
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: proton-c
>    Affects Versions: proton-c-0.37.0
>         Environment: OpenSSL
>            Reporter: Clifford Jansen
>            Assignee: Clifford Jansen
>            Priority: Major
>             Fix For: proton-c-0.38.0
>
>
> pn_tls_need_decrypt_output_buffers can falsely indicate the availability of user data.  For example if there is a handshake failure, BIO_pending can indicate the presence of bytes but BIO_read will return -1 and the appropriate error.
> An application may be fooled into providing a decrypt output buffer that won't be immediately be returned after the next pn_tls_process() step, since no bytes will be read into it.



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