Isn't this a potential security issue?

A co-worker recently portscanned my Debian box with the "windows network
scanner," or something like that. One thing I noticed was that the
scanner appeared to somehow come up with the full debian package name of
ssh on my box... if you moused over "ssh" in the list of open ports, a
little tooltip type box would pop up that said "ssh_debian3.4p1-2" or
something like that. A malicious person who's aware of what patches are
or aren't in what debian packages could easily see whether or not my
computer was vulnerable to whatever's wrong with ssh when I get
portscanned.

This isn't necessarily an issue of keeping my box up-to-date, either,
since the most recent debian package could still be vulnerable to recent
bugs at any given time. It's easy enough to find out what OS a
computer's running but, if the exact package version isn't so readily
available, there would be no way for script kiddies who are looking for
vulnerable boxes to know that the admin hasn't rolled his own updated
package and installed it.


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