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Flash: use-after-free in display list handling from KeenTeam #207

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago 
Credit is to "Jihui Lu of KeenTeam (@K33nTeam), working with the Chromium 
vulnerability reward program"

Flash player 15.0.0.239 in Chrome 39 Linux x64.

There is a use-after-free in display list handling. I attach a variety of repro 
cases, which I believe are all the same root cause based on crash stack traces.

The file "display_list_uaf6.swf" does seem to manifest differently and not be 
as reliable, so it is worth extra checking that any fix fixes this case.

This bug is subject to a 90 day disclosure deadline. If 90 days elapse
without a broadly available patch, then the bug report will automatically
become visible to the public.

Original issue reported on code.google.com by cev...@google.com on 3 Dec 2014 at 8:26

Attachments:

GoogleCodeExporter commented 9 years ago

Original comment by cev...@google.com on 4 Dec 2014 at 3:41

GoogleCodeExporter commented 9 years ago 
Adobe is tracking as PSIRT-3170.

Original comment by cev...@google.com on 4 Dec 2014 at 3:46

GoogleCodeExporter commented 9 years ago 
On Feb 17, Adobe formally requested to use the grace period for this bug under 
the new policy: 
http://googleprojectzero.blogspot.com/2015/02/feedback-and-data-driven-updates-t
o.html

Adobe stated that a patch will be available on March 10. The deadline expires 
on March 3, so March 10 is 7 days into the grace period, which is within the 14 
day grace period limit.

Original comment by cev...@google.com on 20 Feb 2015 at 7:01

GoogleCodeExporter commented 9 years ago

Original comment by cev...@google.com on 6 Mar 2015 at 6:06

GoogleCodeExporter commented 9 years ago 
https://helpx.adobe.com/security/products/flash-player/apsb15-05.html

Original comment by cev...@google.com on 12 Mar 2015 at 7:33

GoogleCodeExporter commented 9 years ago

Original comment by cev...@google.com on 19 Mar 2015 at 7:57