Bug 2002118 (CVE-2021-38492) - CVE-2021-38492 Mozilla: Navigating to `mk:` URL scheme could load Internet Explorer
Summary: CVE-2021-38492 Mozilla: Navigating to `mk:` URL scheme could load Internet Ex...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-38492
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: 2001486
TreeView+ depends on / blocked
 
Reported: 2021-09-08 01:09 UTC by Doran Moppert
Modified: 2021-09-20 04:04 UTC (History)
5 users (show)

Fixed In Version: firefox 78.14, thunderbird 78.14
Doc Type: No Doc Update
Doc Text:
Clone Of:
Environment:
Last Closed: 2021-09-08 02:33:31 UTC


Attachments (Terms of Use)

Description Doran Moppert 2021-09-08 01:09:16 UTC
When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode.


*This bug only affects Firefox for Windows. Other operating systems are unaffected.*



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2021-39/#CVE-2021-38492

Comment 1 Product Security DevOps Team 2021-09-08 02:33:31 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-2021-38492


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