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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