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List: oss-security
Subject: Re: [oss-security] CVE-2008-id Request -- ssmtp -- standardise() --
From: Josh Bressers <bressers () redhat ! com>
Date: 2010-07-26 19:29:18
Message-ID: 1310820388.1556281280172558128.JavaMail.root () zmail01 ! collab ! prod ! int ! phx2 ! redhat ! com
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Hi Steve,
I'm going to leave this one for you, I have no 2008 IDs.
Thanks.
--
JB
----- "Jan Lieskovsky" <jlieskov@redhat.com> wrote:
> Hi Steve, vendors,
>
> Brendan Boerner reported:
> [1] https://bugs.launchpad.net/ubuntu/+source/ssmtp/+bug/282424
>
> a deficiency in the way ssmtp removed trailing '\n' sequence
> by processing lines beginning with a leading dot. A local user,
> could send a specially-crafted e-mail message via ssmtp send-only
> sendmail emulator, leading to ssmtp executable denial of service (exit
> with:
> ssmtp: standardise() -- Buffer overflow). Different vulnerability
> than CVE-2008-3962.
>
> References:
> [2] https://bugzilla.redhat.com/show_bug.cgi?id=582236
> [3] https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2008-3962
> [4] http://patch-tracker.debian.org/package/ssmtp/2.62-3
> [5]
> http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041012.html
> [6]
> http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041009.html
> [7]
> http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041119.html
>
> Debian Linux distribution patch:
> [8]
> http://patch-tracker.debian.org/patch/series/view/ssmtp/2.62-3/345780-standardise-bufsize
>
> Public PoC (from
> https://bugzilla.redhat.com/show_bug.cgi?id=582236#c0):
> [9] ( 0. Install & configure ssmtp, of course )
> 1. (echo -n . ; for i in {1..2050} ; do echo -n $i ; done) |
> mail root
>
> Couldn't find CVE-2008-XXXX ssmtp identifier for this
> (http://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=ssmtp).
>
> Steve, could you allocate one?
>
> Thanks && Regards, Jan.
> --
> Jan iankko Lieskovsky / Red Hat Security Response Team
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