Bug 1444104 – CVE-2017-7885 jbig2dec: Integer overflow in jbig2_decode_symbol_dict

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Bug 1444104 - (CVE-2017-7885) CVE-2017-7885 jbig2dec: Integer overflow in jbig2_decode_symbol_dict

Summary:	CVE-2017-7885 jbig2dec: Integer overflow in jbig2_decode_symbol_dict

Status:	CLOSED WONTFIX

Aliases:	CVE-2017-7885

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

Priority	low Severity low
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
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Whiteboard:	impact=low,public=20170330,reported=2...
Keywords:	Security

Depends On:	1443898 1443899 1443933 1443934
Blocks:	1443943
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Reported:	2017-04-20 11:05 EDT by Andrej Nemec
Modified:	2017-07-21 06:32 EDT (History)
CC List:	7 users (show)

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Last Closed:	2017-07-21 06:32:40 EDT
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Description Andrej Nemec 2017-04-20 11:05:28 EDT

jbig2dec has a heap-based buffer over-read leading to denial of service (application crash) because of an integer overflow in the jbig2_decode_symbol_dict function in jbig2_symbol_dict.c in libjbig2dec.a during operation on a crafted .jb2 file.

Upstream bug:

https://bugs.ghostscript.com/show_bug.cgi?id=697703

Comment 1 Andrej Nemec 2017-04-20 11:09:49 EDT

Created jbig2dec tracking bugs for this issue:

Affects: epel-all [bug 1443899]

Comment 3 Cedric Buissart 2017-07-20 11:48:35 EDT

Acknowledgments:

Name: Dai Ge (Chinese Academy of Sciences)

Comment 5 Cedric Buissart 2017-07-21 05:35:32 EDT

Upstream fix :
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=b184e783702246e15

Comment 6 Cedric Buissart 2017-07-21 06:31:05 EDT

Statement:

Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification.

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