From: Tom Talpey <tom@talpey.com>
To: Enzo Matsumiya <ematsumiya@suse.de>
Cc: samba-technical@lists.samba.org, linux-cifs@vger.kernel.org,
smfrench@gmail.com
Subject: Re: Signature check for LOGOFF response
Date: Thu, 24 Mar 2022 11:04:30 -0400 [thread overview]
Message-ID: <e23752b1-b610-98f9-c338-5faea047494c@talpey.com> (raw)
In-Reply-To: <20220323172913.56cr2atzfcunv5kf@cyberdelia>
On 3/23/2022 1:29 PM, Enzo Matsumiya wrote:
> Hi Tom,
>
> On 03/19, Tom Talpey wrote:
>> What server is returning this unsigned response? Assuming it's Windows,
>> that is either a doc bug or (arguably) a server bug, and should be
>> reported before deciding how to address it here.
>
> It's a NetApp ONTAP 9.5P13. We've identified it's also setting wrong
> signatures on READ responses with STATUS_END_OF_FILE.
>
> Our tests against Windows Server 2019 showed it to behave ok, so it
> looks like something on NetApp side.
In this case I don't think it is appropriate to apply the suggested
patch. Allowing unsigned or invalidly signed responses will greatly
reduce security. I'll be interested if NetApp provides any information.
Tom.
next prev parent reply other threads:[~2022-03-24 15:04 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-19 3:20 Signature check for LOGOFF response Enzo Matsumiya
2022-03-19 12:28 ` Tom Talpey
2022-03-23 17:29 ` Enzo Matsumiya
2022-03-24 15:04 ` Tom Talpey [this message]
2022-03-24 16:23 ` Jeremy Allison
2022-03-24 18:48 ` Tom Talpey
2022-03-24 18:52 ` Jeremy Allison
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