Date: Tue, 24 Nov 2009 17:40:32 +0100 From: Jan Lieskovsky <jlieskov@...hat.com> To: oss-security@...ts.openwall.com CC: coley <coley@...re.org>, MySQL Security Team <security@...ql.com> Subject: Re: mysql-5.1.41 Just small correction - CVE-2008-2079 should be listed of course in all occurrences below (focused on proper links) and made two typos :(. Jan. -- Jan iankko Lieskovsky / Red Hat Security Response Team Jan Lieskovsky wrote: > Hi Josh, > > looked further into these issues. > > A, wrt http://bugs.mysql.com/bug.php?id=32167 > > You are right, that CVE-2008-2079 was originally assigned to: > http://bugs.mysql.com/bug.php?id=32167 > > On "[6 May 2008 11:16] Sergei Golubchik" states: > > please, note in the manual that it's CVE-2008-2079 > > But last comment on this bug mentions: > > <quote> > > [12 Nov 4:50] Paul DuBois > > Noted in 5.1.41, 5.5.0, 6.0.14 changelogs. > > Additional corrections were made for the symlink-related privilege > problem originally addressed in MySQL 5.1.24. The original fix did > not correctly handle the data directory path name if it contained > symlinked directories in its path, and the check was made only at > table-creation time, not at table-opening time later. > > </quote> > > Also MySQL-5.1.41 news file now contains: > > Important Change: Security Fix: Additional > corrections were made for the symlink-related > privilege problem originally addressed in MySQL > 5.1.24. The original fix did not correctly handle > the data directory path name if it contained > symlinked directories in its path, and the check > was made only at table-creation time, not at > table-opening time later. (Bug#32167, CVE-2008-2079)" > > Consequence: > =========== > > So I think we will need a new CVE id as incomplete fix for CVE-2009-2079. > Relevant patch is here (2845 Georgi Kodinov 2009-11-03) > http://lists.mysql.com/commits/89940 > > Cc-ed MySQL security team to confirm this assumption. > > B, wrt to http://bugs.mysql.com/bug.php?id=39277 > > This is potential security issue, but the proposed patch didn't > made it neither into 5.0.88, nor into 5.1.41 releases. > In fact it was committed only to 6.0.9-alpha release > ("Pushed into 6.0.9-alpha" comment from that bug). > So we will need to wait a little bit for patch "stabilization". > > > Conclusion - so two CVE ids are needed: > --------------------------------------- > 1, One for incomplete fix for CVE-2009-2079 issue) -- > "and the check was made only at table-creation time, not at > table-opening time later" > > http://bugs.mysql.com/bug.php?id=32167 > http://lists.mysql.com/commits/89940 > > 2, The second one for the "MySQL clients linked against OpenSSL did not > check > server certificates presented by a server linked against yaSSL" issue > > http://bugs.mysql.com/bug.php?id=47320 > > Sergei, please confirm / disprove the above. > > Thanks && Regards, Jan. > -- > Jan iankko Lieskovsky / Red Hat Security Response Team > > > Josh Bressers wrote: >> As best as I can tell, we only need one CVE id (two issues, but one >> already has >> an id). >> >> MySQL clients before version 5.1.41 linked against OpenSSL would not >> properly >> check certificates presented by a MySQL server linked against yaSSL. >> This could >> possibly lead to a man in the middle type of attack on the SSL >> connection. >> >> http://bugs.mysql.com/bug.php?id=47320 >> http://dev.mysql.com/doc/refman/5.1/en/news-5-1-41.html >> >> Thanks. >> >
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