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Re: [Linphone-developers] Invalid encoding of STUN ERROR-CODE attribute

From: Ghislain MARY
Subject: Re: [Linphone-developers] Invalid encoding of STUN ERROR-CODE attribute
Date: Fri, 21 Jul 2017 17:39:01 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0

Hi Jeremy,

As I already said on github, thanks very much for pointing out this issue to us. This has been fixed in revision d74adb5e356b5cde0a715ea88f8fbfe219817e94 of mediastreamer2.



On 07/20/2017 09:55 AM, Jeremy Lainé wrote:

While investigating a FreeSwitch crash that occurred upon receiving STUN
packets from linphone (as part of the ICE negotiation), I noticed that
linphone was sending malformed STUN packets.

The problem is that the "reason" string (in this case: "Role Conflict")
was not padded to align to a 32-bit boundary.

I have tracked this down to the encode_error_code method in
mediastreamer2. I have submitted a pull request here:

Please let me know if I can provide additional information.



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