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Message-ID: <CA+KTh2wQ2x4mx5LniqyjMB98kTsHO4N9d6gWoowbEehn15XSrg@mail.gmail.com>
Date: Thu, 19 Mar 2015 08:31:14 +1300
From: Emmanuel Law <emmanuel.law@...il.com>
To: Timo Warns <Timo.Warns@...il.com>
Cc: tk@...a.or.at, oss-security@...ts.openwall.com
Subject: Re: CVE Request: ZIP Integer Overflow leads to writing
past heap boundary
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?
>
> Cheers, Timo
>
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