Bug 1576261 (CVE-2018-5160)

Summary: CVE-2018-5160 Mozilla: Uninitialized memory use by WebRTC encoder
Product: [Other] Security Response Reporter: Doran Moppert <dmoppert>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: cschalle, gecko-bugs-nobody, jhorak, security-response-team, stransky
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Last Closed: 2019-06-10 10:21:58 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Blocks: 1573375    

Description Doran Moppert 2018-05-09 07:13:11 UTC
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 07:13:16 UTC
Acknowledgments:

Name: the Mozilla project
Upstream: Andreas Perhson