Vulnerabilities and alerts in 2002
[Posted February 4, 2003 by corbet]
One of the advantages to having a site built on a real database is that you
can use it to generate nifty tables. When we ran a list of vulnerabilities
and alerts
one year ago, the whole thing was
generated by hand. Life is easier this time around.
...at least, if you're not concerned with keeping your systems secure. The
following table, which covers the second half of 2002, contains 119
separate vulnerabilities, and well over 300 alerts. As much as we like to
say that free software is more secure, the table below makes it clear that
it is not anywhere near secure enough.
On the other hand, it's worth pointing out that almost none of the
vulnerabilities listed below have, to our knowledge, been exploited on any
kind of scale. Most of these problems have been found (and fixed) by
developers proactively auditing the code; in general, the fixes seem to get
out to most users in time to avoid widespread problems. Many of these
vulnerabilities are, most likely, relatively hard to exploit.
The table reveals some of the limitations of our security database. If a
vulnerability has no alerts from a particular distributor, it does not
necessarily mean that said distributor never got around to fixing the
problem. In many cases, the distributor did not ship a vulnerable version
of the affected program, and thus did not need to put out an update.
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