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Re: What squid should do with RFC non-compliant response header?

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On 04/06/2017 10:07 AM, Amos Jeffries wrote:
> On 6/04/2017 7:32 a.m., Eliezer  Croitoru wrote:
>> Technically I would expect squid to pass it but it's might have the potential for a CVE in some casese.


> There is actually a CVE problem "HTTP request/response smuggling" in all
> cases of the type you described.


> There are exactly two things that can be done by a proxy when this type
> of error is encountered:

>  1) [send an error message]
>  2) truncate the message at the CRLF before the garbage

There are many other reasonable things a proxy can do, with admin
permission, but it is pointless to discuss their details on squid-users
IMO. And yes, pretty much all of them may cause HTTP message smuggling.
They are useful as temporary compatibility workarounds, not universal
default solutions.

Alex.

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