Date: Mon, 23 Mar 2015 22:45:12 +0100 From: Thomas Klausner <tk@...a.or.at> To: oss-security@...ts.openwall.com Cc: Timo Warns <Timo.Warns@...il.com> Subject: Re: CVE Request: ZIP Integer Overflow leads to writing past heap boundary On Thu, Mar 19, 2015 at 08:31:14AM +1300, Emmanuel Law wrote: > Yup we realised that and notified libzip. > On 19/03/2015 8:05 am, "Timo Warns" <Timo.Warns@...il.com> wrote: > > > On 2015-03-18, Emmanuel Law wrote: > > > found an integer overflow in PHP. When processing a malform zip file with > > > many entires, it leads to a heap overflow. > > > > > > Affected Version <= PHP 5.6.6 > > > Bug Report: https://bugs.php.net/bug.php?id=69253 > > > Patch: > > > > > https://github.com/php/php-src/commit/ef8fc4b53d92fbfcd8ef1abbd6f2f5fe2c4a11e5 > > > > This looks like it may also affect libzip upstream > > (http://hg.nih.at/libzip/file/fa78ab51417f/lib/zip_dirent.c) > > > > Was upstream (in copy) informed about the issue? We have since fixed this: http://hg.nih.at/libzip/rev/9f11d54f692e Thanks! Thomas
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