Bug ID 1002422
Summary GraphicsMagick: 8BIM/8BIMW unsigned underflow leads to heap overflow
Classification openSUSE
Product openSUSE Distribution
Version Leap 42.1
Hardware Other
OS Other
Status NEW
Severity Normal
Priority P5 - None
Component Security
Assignee security-team@suse.de
Reporter mikhail.kasimov@gmail.com
QA Contact qa-bugs@suse.de
Found By ---
Blocker ---

Reference: http://seclists.org/oss-sec/2016/q4/0

===========================
Today we received a report from Marco Grassi about a heap overflow in the 8BIM
reader. 8BIM is a metadata chunk often attached to JPEG files.


After investigation it was found that there was a small unsigned overflow
leading to a huge size value, which then resulted in a heap overflow (causing a
crash).


We believe that this issue exists in all GraphicsMagick releases to date
(including 1.3.25).


The fix to this may be found in GraphicsMagick Mercurial at
"https://sourceforge.net/p/graphicsmagick/code/ci/5c7b6d6094a25e99c57f8b18343914ebfd8213ef/";.


Bob
--
Bob Friesenhahn
bfriesen () simple dallas tx us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/
===========================

Due to https://software.opensuse.org/package/GraphicsMagick version 1.3.25 is
being in use in openSUSE Tumbleweed. Version 1.3.21 is being in use in 42.1...


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