[erlang-questions] Does Erlang/OTP SSL app have heartbleed vulnerability?

[Ingela Andin]

Hi!

2014-04-08 6:37 GMT+02:00 Danil Zagoskin <z@REDACTED>:

> Hello!
>
> Recently heartbleed bug was found in openssl: http://heartbleed.com/
>
>
As far as I know, OTP SSL and crypto apps use openssl, but some of SSL
> handshake logic is rewritten in Erlang.
>


All of the SSL/TLS handshake logic is written in Erlang. Only OpenSSLs
crypto library is used directly via the crypto application or indirectly
via the public_key application.  The crypto library is used to perform
encryption/decryption/verification - operations (number crunching).
So this OpenSSL bug will not effect Erlangs SSL/TLS-application. But if an
OpenSSL client/server communicates with a
Erlang client/server you can of course still have a problem.



> Grepping lib/ssl and lib/crypto sources for 'heartbeat' didn't give any
> results.
> I have not found any tool to check a server for the vulnerability either.
>
> So, should anyone using SSL in OTP immediately upgrade openssl to fix this
> bug?
>
>
>
Well not for the sake of Erlang, but this is probably a good idea anyway.


Regards Ingela Erlang/OTP team - Ericsson AB





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> Danil Zagoskin | z@REDACTED
>
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