[PATCH] CVE-2014-0172 Check for overflow before calling malloc to uncompress data.
Mark Wielaard
mjw at redhat.com
Wed Apr 9 21:10:47 UTC 2014
On Wed, 2014-04-09 at 17:07 +0200, Florian Weimer wrote:
> On 04/09/2014 01:57 PM, Mark Wielaard wrote:
>
> > + /* Check for unsigned overflow so malloc always allocated
> > + enough memory for both the Elf_Data header and the
> > + uncompressed section data. */
> > + if (unlikely (sizeof (Elf_Data) + size < size))
> > + break;
> > +
>
> Looks good to me.
Thanks for checking. I pushed it to master now.
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