Re: Securing "make check" (CVE-2014-0067)

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От Noah Misch
Тема Re: Securing "make check" (CVE-2014-0067)
Дата
Msg-id 20140708174125.GA1884766@tornado.leadboat.com
обсуждение исходный текст
Ответ на Re: Securing "make check" (CVE-2014-0067)  (Christoph Berg <cb@df7cb.de>)
Ответы Re: Securing "make check" (CVE-2014-0067)  (Christoph Berg <cb@df7cb.de>)
Список pgsql-hackers
On Tue, Jul 08, 2014 at 07:02:04PM +0200, Christoph Berg wrote:
> Re: Noah Misch 2014-06-08 <20140608135713.GA525142@tornado.leadboat.com>
> > Here's an update that places the socket in a temporary subdirectory of /tmp.
> > The first attached patch adds NetBSD mkdtemp() to libpgport.  The second,
> > principal, patch uses mkdtemp() to implement this design in pg_regress.  The
> > corresponding change to contrib/pg_upgrade/test.sh is based on the "configure"
> > script's arrangements for its temporary directory.
> 
> Hi,
> 
> I believe pg_upgrade itself still needs a fix. While it's not a
> security problem to put the socket in $CWD while upgrading (it is
> using -c unix_socket_permissions=0700), this behavior is pretty
> unexpected, and does fail if your $CWD is > 107 bytes.
> 
> In f545d233ebce6971b6f9847680e48b679e707d22 Peter fixed the pg_ctl
> perl tests to avoid that problem, so imho it would make even more
> sense to fix pg_upgrade which could also fail in production.

+1.  Does writing that patch interest you?

-- 
Noah Misch
EnterpriseDB                                 http://www.enterprisedb.com



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