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Date: Wed, 12 Aug 2015 13:32:12 +0200
From: Adam Maris <amaris@...hat.com>
To: oss-security@...ts.openwall.com
Subject: Re: CVE request - OpenSSH 6.9 PAM privilege separation
vulnerabilities
On 12/08/15 10:39, Adam Maris wrote:
> Could you assign CVEs for the other two issues as well?
>
> * sshd(8): fix circumvention of MaxAuthTries using keyboard-
> interactive authentication. By specifying a long, repeating
> keyboard-interactive "devices" string, an attacker could request
> the same authentication method be tried thousands of times in
> a single pass. The LoginGraceTime timeout in sshd(8) and any
> authentication failure delays implemented by the authentication
> mechanism itself were still applied. Found by Kingcope.
>
> * sshd(8): OpenSSH 6.8 and 6.9 incorrectly set TTYs to be world-
> writable. Local attackers may be able to write arbitrary messages
> to logged-in users, including terminal escape sequences.
> Reported by Nikolay Edigaryev.
>
> Or have they CVEs already?
>
> Thanks.
>
Well, the first one (circumvention of MaxAuthTries) was already assigned
CVE-2015-5600.
Not sure about the second one.
--
Adam Maris / Red Hat Product Security
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