* Florian Weimer:
retitle 437148 "svn", "svnserve", "unison", "rsync" passthrough is unsafe
thanks

>   svn checkout (write arbitrary files)
>   svn export (write arbitrary files)

These two are non-issues because scponly relies on UNIX permissions to
restrict write access.

> Your example shows that "svnserve" isn't safe, either.

Similar tricks can be played with rsync (create an rsyncd.conf with a
pre-xfer exec or post-xfer exec option; start a daemon, and connect to
it) and unison (provided that you can create files in ~/.unison, which
is quite likely).


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