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Date: Tue, 27 Jan 2015 10:20:20 -0800
From: Qualys Security Advisory <>
Subject: Re: Qualys Security Advisory CVE-2015-0235 - GHOST:
 glibc gethostbyname buffer overflow

On Tue, Jan 27, 2015 at 09:20:21AM -0800, Michal Zalewski wrote:
> Nice work - thanks for the thoroughly investigated and detailed advisory.

Thank you very much. We also sincerely regret that some information
about this vulnerability was leaked a few hours before the Coordinated
Release Date (Time, in this particular case).

> you be willing to publish the list of the reviewed implementations to
> reduce the amount of repeated work?

Here is a list of potential targets that we investigated (they all call
gethostbyname, one way or another), but to the best of our knowledge,
the buffer overflow cannot be triggered in any of them:

apache, cups, dovecot, gnupg, isc-dhcp, lighttpd, mariadb/mysql,
nfs-utils, nginx, nodejs, openldap, openssh, postfix, proftpd,
pure-ftpd, rsyslog, samba, sendmail, sysklogd, syslog-ng, tcp_wrappers,
vsftpd, xinetd.

That being said, we believe it would be interesting if other people
could have a look, just in case we missed something.

With best regards,

the Qualys Security Advisory team

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