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Date:      Wed, 9 Mar 2016 11:59:03 +0100
From:      =?utf-8?Q?Frank_M=C3=B6ller?= <moeller@gonicus.de>
To:        =?utf-8?Q?hirano=40t=2Ekanazawa-u=2Eac=2Ejp?= <hirano@t.kanazawa-u.ac.jp>
Cc:        =?utf-8?Q?freebsd-security=40freebsd=2Eorg?= <freebsd-security@freebsd.org>
Subject:   Re: openssl bug causes sshd crashed on FreeBSD 9.3-RELEASE
Message-ID:  <zarafa.56e001f7.549c.013913261512a216@zarafa.ms.gonicus.de>

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Hello,

I got the same problem here.

After updating to FreeBSD 9.3-RELEASE-p37 sshd from the base system crashes by signal 11 when I connect to the server with an old ssh client (e.g. OpenSSH_4.5p1).=20
Using a newer ssh client versions (e.g. OpenSSH_6.6.1p1 from FreeBSD 9.3-RELEASE-p10) the sshd works fine.

Best Regards

Frank Moeller

--=20
Frank M"oller <moeller@GONICUS.de>
GONICUS GmbH

> On FreeBSD 9.3-RELEASE-p37, sshd crashes by signal 11.

> Mar=C2=A0 8 17:32:20 hostname kernel: pid 22651 (sshd), uid 0: exited on
> signal 11
>=20
> On FreeBSD 10.1-RELEASE-p30, sshd works fine.
>=20
> As far as I have examined, the reason is OpenSSL in base system.
> The following tests have been performed on FreeBSD 9.3-RELEASE-p37:
>=20
> (1) sshd in base system crashes.
> (2) openssh-portable from pkg which uses base OpenSSL library crashes.
> (3) openssh-portable from ports with OpenSSL from pkg works fine.
>=20
> Therefore, I suggest that the openssl library in base system
> might have a problem.
>=20
> Best Regards,
> ----
> Akihiro HIRANO, Kanazawa University
> hirano at t.kanazawa-u.ac.jp



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