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Message-ID: <52706E57.5090405@redhat.com>
Date: Wed, 30 Oct 2013 13:26:31 +1100
From: Murray McAllister <mmcallis@...hat.com>
To: oss-security@...ts.openwall.com
CC: Kurt Seifried <kseifried@...hat.com>, carnil@...ian.org
Subject: Re: CVE Request: sup MUA Command Injection
On 10/30/2013 07:44 AM, Kurt Seifried wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> On 10/29/2013 01:30 PM, Salvatore Bonaccorso wrote:
>> Hi,
>>
>> On full-disclosure list there was reported a command injection
>> vulnerability in 'sup', a console-based email client.
>>
>> [0]
>> http://rubyforge.org/pipermail/sup-talk/2013-October/004996.html
>> [1] http://seclists.org/fulldisclosure/2013/Oct/272
>>
>> For reference quoting the upstream announce:
>>
>> ----cut---------cut---------cut---------cut---------cut---------cut-----
>>
>>
> Greetings,
>>
>> Security advisory (#SBU1) for Sup
>>
>> We have been notified of an potential exploit in the somewhat
>> careless way Sup treats attachment metadata in received e-mails.
>> The issues should now be fixed and I have released Sup 0.13.2.1 and
>> 0.14.1.1 which incorporates these fixes. Please upgrade immediately
>> and also ensure that your mime-decode or mime-view hooks are secure
>> [0], [1].
>>
>> This is specifically related to using quotes (',") around filename
>> or content_type which is already escaped using Ruby
>> Shellwords.escape - this means that the string (content_type,
>> filename) is intended to be used _without_ any further quotes.
>> Please make sure that if you use .mailcap (non OSX systems), you do
>> not quote the string.
>>
>> Credit goes to: joernchen of Phenoelit (http://phenoelit.de) who
>> discovered and suggested fixes for these issues.
>>
>> [0] https://github.com/sup-heliotrope/sup/wiki/Viewing-Attachments
>> [1] https://github.com/sup-heliotrope/sup/wiki/Secure-usage-of-Sup
>>
>> You can use 'gem' to upgrade or install sup. Please report any
>> issues to: https://github.com/sup-heliotrope/sup/issues
>>
>> Regards, Gaute
>> ----cut---------cut---------cut---------cut---------cut---------cut-----
>>
>> Upstream fixed (as mentioned in announce) the issue in 0.13.2.1
>> and 0.14.1.1. Commits:
>>
>> [2]
>> https://github.com/sup-heliotrope/sup/compare/release-0.13.2...release-0.13.2.1
>>
>>
> [3]
> https://github.com/sup-heliotrope/sup/compare/release-0.14.1...release-0.14.1.1
>>
>> Could a CVE be assigned for this issue?
>>
>> Regards, Salvatore
>>
>
> Please use CVE-2013-4478 for this issue.
To confirm, is this CVE for both the content_type issue and the filename
issue?
Thanks,
--
Murray McAllister / Red Hat Security Response Team
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