[OpenSER-Devel] nonce errors in trunk

Bogdan-Andrei Iancu bogdan at voice-system.ro
Fri Jun 6 17:44:58 CEST 2008


Juha,

I'm not saying that re-using the nonce is against RFC and that the phone 
is broken  - I'm saying it is a security issue (stolen credentials) and 
rejecting such auth requests does not break anything.

Regards,
Bogdan

Juha Heinanen wrote:
> Bogdan-Andrei Iancu writes:
>
>  > The errors you are seeing are a result of the new nonce security check 
>  > that was added in trunk. See:
>  >        http://lists.openser.org/pipermail/users/2008-June/017719.html
>  > 
>  > Probably you have in the network some UACs that tries to reuse a nonce 
>  > for multiple authentications.
>
> the UA in question is cisco/linksys spa941.  it does not surprise me at
> all if cisco cannot implement the rfcs their own people are writing.
>
> -- juha
>
>   




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