Bug 1829344 (CVE-2020-6810) - CVE-2020-6810 Mozilla: Focusing a popup while in fullscreen could have obscured the fullscreen notification
Summary: CVE-2020-6810 Mozilla: Focusing a popup while in fullscreen could have obscur...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2020-6810
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1829324
TreeView+ depends on / blocked
 
Reported: 2020-04-29 12:18 UTC by msiddiqu
Modified: 2021-02-26 08:32 UTC (History)
3 users (show)

Fixed In Version: firefox 74
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Environment:
Last Closed: 2020-04-29 16:32:07 UTC
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Description msiddiqu 2020-04-29 12:18:20 UTC 
After a website had entered fullscreen mode, it could have used a previously opened popup to obscure the notification that indicates the browser is in fullscreen mode. Combined with spoofing the browser chrome, this could have led to confusing the user about the current origin of the page and credential theft or other attacks.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2020-08/#CVE-2020-6810
Comment 1 msiddiqu 2020-04-29 12:18:25 UTC 
Acknowledgments:

Name: the Mozilla project
Upstream: Avi Drissman (Chrome security team)
Comment 2 Product Security DevOps Team 2020-04-29 16:32:07 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-6810
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