Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date: Wed, 23 Sep 2015 12:35:00 +0200
From: Gustavo Grieco <>
Subject: Re: DoS in libtiff

2015-09-22 22:52 GMT+02:00 <>:

> Hash: SHA256
> > We found a DoS using a crafted tiff file that causes a OOM kill
> > If you run it with ltrace, you can see some very large reallocs
> Use CVE-2015-7313.

Thanks! I got some interesting response from upstream:

"FYI, the file has a # of image lines around four billion.  I didn't dig
into it
closely when first reported, but it might be that auto-strip-chopping is
creating an expensive/large data structure.

I'm not entirely confident whether to treat library requests for large
of memory as a defect in the library.  It makes me sad that modern operating
systems seem to have trouble just return NULL for malloc() calls for which
there isn't enough memory available.  (If my assumptions are correct)."

Powered by blists - more mailing lists

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.