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Date: Thu, 10 Oct 2013 23:41:27 -0600
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
CC: matt@....asn.au
Subject: Re: CVE Request: dropbear sshd daemon 2013.59 release
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On 10/10/2013 07:27 AM, Marcus Meissner wrote:
> Hi folks, hi Matt,
>
> https://matt.ucc.asn.au/dropbear/CHANGES seems to have two CVE
> worth entries.
>
> Version 2013.59 - Friday 4 October 2013
>
> has this changes entry: - Limit the size of decompressed payloads,
> avoids memory exhaustion denial of service Thanks to Logan Lamb for
> reporting and investigating it
>
> Source code fix for this is seems to be:
> https://secure.ucc.asn.au/hg/dropbear/rev/0bf76f54de6f
Please use CVE-2013-4421 for this issue.
>
> It also has this changes entry which might need one: - Avoid
> disclosing existence of valid users through inconsistent delays
> Thanks to Logan Lamb for reporting
>
> https://secure.ucc.asn.au/hg/dropbear/rev/a625f9e135a4
>
> Matt, if you are interested in requesting CVEs in the future for
> security relevant fixes, feel free to contact us. (Kurt, I looked
> for your howto, but my googlefu today is weak.)
>
> Ciao, Marcus
This one seems to not be as exploitable or did I misread the follow up
emails?
- --
Kurt Seifried Red Hat Security Response Team (SRT)
PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993
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