https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=194934
Bug ID: 194934
Summary: Telnet core dumped
Product: Base System
Version: 9.3-RELEASE
Hardware: amd64
OS: Any
Status: Needs Triage
Severity: Affects Only Me
Priority: ---
Component: misc
Assignee: freebsd-bugs@FreeBSD.org
Reporter: y.wewe...@gmail.com
Using the default "telnet" command from the FreeBSD 9.3-RELEASE
9.3-RELEASE FreeBSD 9.3-RELEASE #0 r268512: Thu Jul 10 23:44:39 UTC 2014
i am able to produce a core dump if pressing the key-combination STRG+5, STRG+4
after a plain connection to IPv4 based endpoint.
Example 1:
---------------------------------------
% telnet localhost 7777
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
^]
telnet> ^\Verlassen(core dumped)
Core dumping telnet is even possible when pressing STRG+5 followed by any key
combination closed by STRG+4.
Example 2:
---------------------------------------
% telnet localhost 7777
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
^]
telnet> 123456^\Verlassen(core dumped)
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