Bug 1631069 – CVE-2018-17100 libtiff: Integer overflow in multiply_ms in tools/ppm2tiff.c

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Bug 1631069 - (CVE-2018-17100) CVE-2018-17100 libtiff: Integer overflow in multiply_ms in tools/ppm2tiff.c

Summary:	CVE-2018-17100 libtiff: Integer overflow in multiply_ms in tools/ppm2tiff.c

Status:	NEW

Aliases:	CVE-2018-17100

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

Priority	low Severity low
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Assigned To:	Red Hat Product Security
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Whiteboard:	impact=low,public=20180916,reported=2...
Keywords:	Security

Depends On:	1631071 1631072 1631073 1631074 1632578 1631070
Blocks:	1631081
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Reported:	2018-09-19 16:22 EDT by Pedro Sampaio
Modified:	2018-10-02 06:26 EDT (History)
CC List:	18 users (show)

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Description Pedro Sampaio 2018-09-19 16:22:02 EDT

An issue was discovered in LibTIFF 4.0.9. There is a int32 overflow in multiply_ms in tools/ppm2tiff.c, which can cause a denial of service (crash) or possibly have unspecified other impact via a crafted image file.

Upstream issue:

http://bugzilla.maptools.org/show_bug.cgi?id=2810

Upstream patch:

https://gitlab.com/libtiff/libtiff/merge_requests/33/diffs?commit_id=6da1fb3f64d43be37e640efbec60400d1f1ac39e

Comment 1 Pedro Sampaio 2018-09-19 16:23:28 EDT

Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1631070]


Created mingw-libtiff tracking bugs for this issue:

Affects: epel-7 [bug 1631072]
Affects: fedora-all [bug 1631071]

Comment 3 Huzaifa S. Sidhpurwala 2018-09-25 03:20:14 EDT

Analysis:

Classic heap buffer overflow caused by integer overflow in ppm2tiff. The tool is used to concert ppm format files to TIFF.

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