Date: Mon, 5 Jul 2010 13:32:37 +0200 From: Marcus Meissner <meissner@...e.de> To: oss-security@...ts.openwall.com, png-mng-implement@...ts.sourceforge.net Subject: Re: CVE Request -- libpng v1.4.3 and v1.2.44 -- memory leak while processing PNG image with malformed sCAL chunks On Wed, Jun 30, 2010 at 05:22:40PM +0200, Marcus Meissner wrote: > On Mon, Jun 28, 2010 at 04:26:06PM -0400, Josh Bressers wrote: > > > > ----- "Jan Lieskovsky" <jlieskov@...hat.com> wrote: > > > > > Hi Steve, vendors, > > > > > > libpng upstream has released latest v1.4.3 and v1.2.44 versions, > > > addressing two > > > security issues: > > > [a], out-of-bounds write to memory -- this already got a CVE id of > > > "CVE-2010-1205", > > > [b], memory-leak bug, involving images with malformed sCAL chunks, > > > which could > > > lead to an application crash. > > > > > > References: > > >  http://www.libpng.org/pub/png/libpng.html > > >  https://bugzilla.redhat.com/show_bug.cgi?id=608644 > > > > > > Steve, could you allocate a CVE id for the [b] issue? > > > > > > > Please use CVE-2010-2249 for issue [b]. > > oss-sec, png-mng-implement ... do you have testimages or a reproducer for the sCAL issue? > > It would be helpful for our QA :/ As found on: http://code.google.com/p/chromium/issues/detail?id=45983 The sample crashing PNG is: http://www.ee.oulu.fi/~aki/spark.png Ciao, Marcus
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