Bug 1410119 – CVE-2016-10094 libtiff: Off-by-one error in t2p_readwrite_pdf_image_tile() causing heap buffer overflow

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Bug 1410119 - (CVE-2016-10094) CVE-2016-10094 libtiff: Off-by-one error in t2p_readwrite_pdf_image_tile() causing heap buffer overflow

Summary:	CVE-2016-10094 libtiff: Off-by-one error in t2p_readwrite_pdf_image_tile() ca...

Status:	CLOSED WONTFIX

Aliases:	CVE-2016-10094

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
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URL:
Whiteboard:	impact=moderate,public=20161220,repor...
Keywords:	Security

Depends On:	1410125 1410123 1410124
Blocks:	1410122
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Reported:	2017-01-04 09:14 EST by Adam Mariš
Modified:	2017-03-15 05:37 EDT (History)
CC List:	7 users (show)

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Last Closed:	2017-01-16 01:32:50 EST
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Description Adam Mariš 2017-01-04 09:14:34 EST

An off-by-one error was found in t2p_readwrite_pdf_image_tile() that can lead to heap buffer overflow triggered by running tiff2pdf on crafted tiff file.

Upstream patch:

https://github.com/vadz/libtiff/commit/c7153361a4041260719b340f73f2f76b0969235c

Upstream bug:

http://bugzilla.maptools.org/show_bug.cgi?id=2640

CVE assignment:

http://seclists.org/oss-sec/2017/q1/3

Reproducer:

https://github.com/asarubbo/poc/blob/master/00112-libtiff-heapoverflow-_TIFFmemcpy

Comment 1 Adam Mariš 2017-01-04 09:19:27 EST

Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1410123]

Comment 2 Adam Mariš 2017-01-04 09:19:33 EST

Created mingw-libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1410124]
Affects: epel-7 [bug 1410125]

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