[Bug 217298] [geli][boot] geli boot password prompt can be tricked to echo password in clear text

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217298

            Bug ID: 217298
           Summary: [geli][boot] geli boot password prompt can be tricked
                    to echo password in clear text
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: misc
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: ehaupt at FreeBSD.org

The GELI boot password prompt can be tricked to echo password in clear text.

How to repeat:
- Boot a system with GELI full disk encryption
- Wait for password prompt "GELI Passphrase for disk0p3:"
- Enter password without pressing enter
- Press ctrl-r

Entered password is displayed in clear text.

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