Bug 1441248 (CVE-2017-7595)

Summary: CVE-2017-7595 libtiff: Divide-by-zero in JPEGSetupEncode (tiff_jpeg.c)
Product: [Other] Security Response Reporter: Andrej Nemec <anemec>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED WONTFIX QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: erik-fedora, mike, nforro, phracek
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Last Closed: 2017-04-11 14:35:07 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1438465, 1438466, 1441273    
Bug Blocks:    

Description Andrej Nemec 2017-04-11 13:39:50 UTC
The JPEGSetupEncode function in tiff_jpeg.c in LibTIFF allows attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted image. 

Upstream bug:

http://bugzilla.maptools.org/show_bug.cgi?id=2653

Upstream patch:

https://github.com/vadz/libtiff/commit/47f2fb61a3a64667bce1a8398a8fcb1b348ff122

Comment 1 Andrej Nemec 2017-04-11 14:17:59 UTC
Created mingw-libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1438465]

Comment 2 Andrej Nemec 2017-04-11 14:22:21 UTC
Created mingw-libtiff tracking bugs for this issue:

Affects: epel-7 [bug 1438466]

Comment 3 Andrej Nemec 2017-04-11 14:24:50 UTC
Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1441273]