Bug 1699927 (CVE-2019-11007)

Summary: CVE-2019-11007 GraphicsMagick: heap-based buffer over-read in the ReadMNGImage function of coders/png.c leading to DoS attack of Information disclosure.
Product: [Other] Security Response Reporter: Marian Rehak <mrehak>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: andreas, rdieter
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Fixed In Version: Doc Type: If docs needed, set a value
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Last Closed: 2019-06-10 10:54:14 UTC Type: ---
Regression: --- Mount Type: ---
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Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1699928, 1699929    
Bug Blocks:    

Description Marian Rehak 2019-04-15 12:45:17 UTC
In GraphicsMagick 1.4 snapshot-20190322 Q8, there is a heap-based buffer over-read in the ReadMNGImage function of coders/png.c, which allows attackers to cause a denial of service or information disclosure via an image colormap.

External References:

Comment 1 Marian Rehak 2019-04-15 12:45:27 UTC
Created GraphicsMagick tracking bugs for this issue:

Affects: epel-all [bug 1699928]
Affects: fedora-all [bug 1699929]

Comment 2 Product Security DevOps Team 2019-06-10 10:54:14 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.