Bug 1456756 – CVE-2017-9117 libtiff: Heap-based buffer over-read in bmp2tiff

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Bug 1456756 - (CVE-2017-9117) CVE-2017-9117 libtiff: Heap-based buffer over-read in bmp2tiff

Summary:	CVE-2017-9117 libtiff: Heap-based buffer over-read in bmp2tiff

Status:	NEW

Aliases:	CVE-2017-9117

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

Priority	medium Severity medium
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Assigned To:	Red Hat Product Security
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Whiteboard:	impact=moderate,public=20170507,repor...
Keywords:	Security

Depends On:	1456757 1456759 1456758
Blocks:
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Reported:	2017-05-30 06:06 EDT by Adam Mariš
Modified:	2017-05-30 18:06 EDT (History)
CC List:	5 users (show)

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Description Adam Mariš 2017-05-30 06:06:17 EDT

In LibTIFF 4.0.7, the program processes BMP images without verifying that biWidth and biHeight in the bitmap-information header match the actual input, leading to a heap-based buffer over-read in bmp2tiff.

Upstream bug:

http://bugzilla.maptools.org/show_bug.cgi?id=2690

Comment 1 Adam Mariš 2017-05-30 06:06:41 EDT

Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1456758]


Created mingw-libtiff tracking bugs for this issue:

Affects: epel-7 [bug 1456757]
Affects: fedora-all [bug 1456759]

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