Bug 1576261 – CVE-2018-5160 Mozilla: Uninitialized memory use by WebRTC encoder

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Bug 1576261 - (CVE-2018-5160) CVE-2018-5160 Mozilla: Uninitialized memory use by WebRTC encoder

Summary:	CVE-2018-5160 Mozilla: Uninitialized memory use by WebRTC encoder

Status:	NEW

Aliases:	CVE-2018-5160

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

Priority	high Severity high
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Assigned To:	Red Hat Product Security
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Whiteboard:	impact=important,public=20180509,repo...
Keywords:	Security

Depends On:
Blocks:	1573375
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Reported:	2018-05-09 03:13 EDT by Doran Moppert
Modified:	2018-05-24 01:17 EDT (History)
CC List:	5 users (show)

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Description Doran Moppert 2018-05-09 03:13:11 EDT

WebRTC can use a `WrappedI420Buffer` pixel buffer but the owning image object can be freed while it is still in use. This can result in the WebRTC encoder using uninitialized memory, leading to a potentially exploitable crash.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2018-11/#CVE-2018-5160

Comment 1 Doran Moppert 2018-05-09 03:13:16 EDT

Acknowledgments:

Name: the Mozilla project
Upstream: Andreas Perhson

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