[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Sat, 19 Jul 2014 09:32:46 -0600
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
Subject: Re: Good news and bad news on Python sockets and pickle
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On 19/07/14 12:00 AM, gremlin@...mlin.ru wrote:
> On 18-Jul-2014 22:40:38 -0600, Kurt Seifried wrote:
>
>> I looked for cases where pickle.loads is used on untrusted data,
>> the good news is didn't find many, the main two uses cases were
>> taking data from zeroMQ and memcached and then unpickling it,
>> looks like those would be compromised in any event if malicious
>> data got in there, let alone RCE type stuff. [...] So here is my
>> question, is all pickle.loads from things like memcached (which
>> has no auth) generally CVE worthy? If so I can post a list of the
>> potentials, I'll be honest, I'm to lazy to go digging through it
>> (I'm not sure how many uses shared/public memcached
>> configs/etc.).
>
> All these issues aren't related to pickle.loads - they are just
> the ordinary use of untrusted data (which itself may worth a CVE).
Uhmm yes and no, it's one thing to pull some data out of memcached and
use it for something, it's another to do so in a way that essentially
executes it.
- --
Kurt Seifried -- Red Hat -- Product Security -- Cloud
PGP A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/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=7d1y
-----END PGP SIGNATURE-----
Powered by blists - more mailing lists
Please check out the
Open Source Software Security Wiki, which is counterpart to this
mailing list.
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
