[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <20150203111548.GA18828@localhost.localdomain>
Date: Tue, 3 Feb 2015 03:15:48 -0800
From: Qualys Security Advisory <qsa@...lys.com>
To: oss-security@...ts.openwall.com
Cc: const@...elinux.com
Subject: Re: workaround for GHOST glibc vulnerability
CVE-2015-0235
On Tue, Feb 03, 2015 at 11:30:13AM +0100, Florian Weimer wrote:
> Why don't you hook gethostbyname? I'm not sure if gethosybyname is
> implement in terms of gethostbyname_r. (The call stacks I have suggest
> it isn't.)
Actually, gethostbyname() calls gethostbyname_r(), but before it does,
it calls the vulnerable function __nss_hostname_digits_dots(), so you're
right, this would still be exploitable.
With best regards,
--
the Qualys Security Advisory team
Powered by blists - more mailing lists
Please check out the
Open Source Software Security Wiki, which is counterpart to this
mailing list.
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
