Bug 1597847 (CVE-2018-12932) - CVE-2018-12932 wine: heap-based buffer overflow in PlayEnhMetaFileRecord in enhmetafile.c
Summary: CVE-2018-12932 wine: heap-based buffer overflow in PlayEnhMetaFileRecord in e...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2018-12932
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1597848
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-07-03 17:15 UTC by Laura Pardo
Modified: 2019-09-29 14:43 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
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Clone Of:
Environment:
Last Closed: 2019-06-10 10:31:45 UTC
Embargoed:


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Description Laura Pardo 2018-07-03 17:15:33 UTC
A flaw was found in PlayEnhMetaFileRecord in enhmetafile.c in Wine 3.7 allows attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact by triggering a large pAlphaBlend->cbBitsSrc value.


References:
https://bugs.launchpad.net/ubuntu/+source/wine/+bug/1764719 	
https://bugs.winehq.org/attachment.cgi?id=61284 	
https://bugs.winehq.org/show_bug.cgi?id=45105 	

Upstream Patch:
https://source.winehq.org/git/wine.git/commit/8d2676fd14f130f9e8f06744743423168bf8d18d 	
https://source.winehq.org/git/wine.git/commit/b6da3547d8990c3c3affc3a5865aefd2a0946949

Comment 1 Laura Pardo 2018-07-03 17:15:54 UTC
Created wine tracking bugs for this issue:

Affects: epel-all [bug 1597848]

Comment 2 Product Security DevOps Team 2019-06-10 10:31:45 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.


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