Date: Mon, 3 Nov 2014 20:24:28 +0000 From: mancha <mancha1@...o.com> To: oss-security@...ts.openwall.com Cc: Christian.Spieler@...nline.de Subject: Re: unzip -t crasher On Mon, Nov 03, 2014 at 11:05:43AM +0000, mancha wrote: > This buggy code path is traversed when a ZIP archive has <<extra > fields>> with blocks that are uncompressed (i.e. using the STORED > method). A better solution than my last patch or malloc'ing max(), > is returning an invalid compressed data error when size(compressed)!= > size(uncompressed) for these cases. The attached patch does just that. > Comments welcome. > > Cheers. > > --mancha > > PS I have been CC'ing Christian Spieler via the only email I could find > online. I've not gotten bounces so it might still be active. By the way, I've removed the original patch (unzip-6.0_overflow.diff) from SF. Folks should use unzip-6.0_overflow2.diff instead: http://sf.net/projects/mancha/files/sec/unzip-6.0_overflow2.diff --mancha Content of type "application/pgp-signature" skipped
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