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https://issues.apache.org/jira/browse/QPID-4918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ken Giusti resolved QPID-4918.
------------------------------
Resolution: Fixed
The fix has been submitted:
http://svn.apache.org/viewvc?view=revision&revision=1460013
The fix include validation of the common name included in the remote's
certificate. This is now turned on by default - turning it off opens the
possibility for attack via a valid certificate issued to a non-trusted 3rd
party.
A connection option to disable common name checking has been provided - from
the patch:
+ @type ssl_skip_hostname_check: bool
+ @param ssl_skip_hostname_check: disable verification of hostname in
+ certificate. Use with caution - disabling hostname checking leaves you
+ vulnerable to Man-in-the-Middle attacks.
> Python client does not enforce SSL certificate validation even if CAs
> configured
> --------------------------------------------------------------------------------
>
> Key: QPID-4918
> URL: https://issues.apache.org/jira/browse/QPID-4918
> Project: Qpid
> Issue Type: Bug
> Components: Python Client
> Affects Versions: 0.20
> Reporter: Ken Giusti
> Assignee: Ken Giusti
> Priority: Blocker
> Fix For: 0.22
>
>
> With SSL, the Python client allows the application to specify the trusted CAs
> that should be used to validate the remote broker's certificate.
> However, there is a bug in the implementation that does not enforce the
> validation. This bug allows the SSL connection to be established even if the
> remote does not provide a valid certificate.
> This bug is a security risk. The application has configured a CA to use to
> validate the remote, but that CA is silently ignored and the remote is
> allowed to connect without validation. To the application, it appears as if
> the remote certificate has been verified and the remote has been authorized,
> when in fact that hasn't happened.
> A CVE has been created for this issue: CVE-2013-1909
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