Bug 1397755 (CVE-2016-9535) - CVE-2016-9535 libtiff: Predictor heap-buffer-overflow
Summary: CVE-2016-9535 libtiff: Predictor heap-buffer-overflow
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2016-9535
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1397781 1397782 1397783 1412078 1412079 1412080 1412081
Blocks: 1389235
TreeView+ depends on / blocked
 
Reported: 2016-11-23 10:14 UTC by Adam Mariš
Modified: 2020-03-11 15:24 UTC (History)
6 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
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Clone Of:
Environment:
Last Closed: 2017-02-01 10:19:23 UTC
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2017:0225 0 normal SHIPPED_LIVE Moderate: libtiff security update 2017-02-01 15:03:24 UTC

Description Adam Mariš 2016-11-23 10:14:48 UTC 
It was found that tif_predict.h and tif_predict.c in libtiff 4.0.6 have assertions that can lead to assertion failures in debug mode, or buffer overflows in release mode, when dealing with unusual tile size like YCbCr with subsampling.

Upstream patch:

https://github.com/vadz/libtiff/commit/83a4b92815ea04969d494416eaae3d4c6b338e4a#diff-5be5ce02d0dea67050d5b2a10102d1ba
Comment 1 Adam Mariš 2016-11-23 10:56:15 UTC 
Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1397781]
Comment 2 Adam Mariš 2016-11-23 10:56:21 UTC 
Created mingw-libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1397782]
Affects: epel-7 [bug 1397783]
Comment 5 Miroslav Hradílek 2017-01-11 15:54:05 UTC 
Hi Adam,

is the link correct? https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9535 mentions the two commits:
https://github.com/vadz/libtiff/commit/3ca657a8793dd011bf869695d72ad31c779c3cc1
https://github.com/vadz/libtiff/commit/6a984bf7905c6621281588431f384e79d11a2e33
Comment 6 Huzaifa S. Sidhpurwala 2017-01-16 06:40:36 UTC 
(In reply to Miroslav Hradílek from comment #5)
> Hi Adam,
> 
> is the link correct?
> https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9535 mentions the
> two commits:
> https://github.com/vadz/libtiff/commit/
> 3ca657a8793dd011bf869695d72ad31c779c3cc1
> https://github.com/vadz/libtiff/commit/
> 6a984bf7905c6621281588431f384e79d11a2e33

The above links are correct, the ones mentioned in comment #0 seem to be wrong.
Comment 7 errata-xmlrpc 2017-02-01 10:04:11 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7
  Red Hat Enterprise Linux 6

Via RHSA-2017:0225 https://rhn.redhat.com/errata/RHSA-2017-0225.html
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