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<== Date ==> <== Thread ==>

Subject: Re: Port scan with nmap causes infinite loop in casDGClient::processDG() [Re: CA gatway runs away when zero length PV name in UDP search request]
From: "J. Lewis Muir" <jlmuir@imca-cat.org>
To: Ralph Lange <ralph.lange@gmx.de>
Cc: EPICS Tech Talk <tech-talk@aps.anl.gov>
Date: Tue, 16 Jan 2018 10:06:22 -0600
On 01/15, Ralph Lange wrote:
> Dear Shuei,
> 
> I have created https://bugs.launchpad.net/epics-base/+bug/1743321 to track
> this issue.
> 
> Note, though, that Channel Access never claimed to be hardened. Even after
> fixing this behavior, an attacker on the local network will be able to
> cause all sorts of havoc by sending malformed network packages to CA
> servers and clients.
> Channel Access is not intended for use in a hostile environment.

I wouldn't call a port scan hostile.

Lewis

Replies:
Re: Port scan with nmap causes infinite loop in casDGClient::processDG() [Re: CA gatway runs away when zero length PV name in UDP search request] Ralph Lange
References:
Port scan with nmap causes infinite loop in casDGClient::processDG() [Re: CA gatway runs away when zero length PV name in UDP search request] Shuei YAMADA
Re: Port scan with nmap causes infinite loop in casDGClient::processDG() [Re: CA gatway runs away when zero length PV name in UDP search request] Ralph Lange

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