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Number of clearly false positives, what happened?

Subject: Number of clearly false positives, what happened?
Date: Thu, 14 Jun 2007 16:28:52 +0300
Hello!

I'm new to the list, so I hope that this is not a old thing... I did
try to scan the archives, but could not find anything.

I've been using nessus for some time now to make sure my servers are
secure. Generally I've run the checks once a month, but now the last
scan was 5 weeks ago. Usually there is nothing (well information), but
now suddenly I got a number of strange false positive holes. I just
loaded the new plugins (the free stream). I hope somebody can shine
some light on these errors. Here are some examples:

----
The account '4Dgifts' has no password set.
An attacker may use it to gain further privileges on this system

Risk factor : High
Solution : Set a password for this account or disable it
CVE : CVE-1999-0502
----
The login/password combination 'root/12345678' is valid.
On older Macintosh computers, Mac OS X server is configured by
default with the account 'root/1234568' (on newer computers, the
serial number of the system is used instead).

Solution : Set a strong password for the root account
Risk factor : High
CVE : CVE-1999-0502
----
The account 'EZsetup' has no password set.
An attacker may use it to gain further privileges on this system

Risk factor : High
Solution : Set a password for this account or disable it
CVE : CVE-1999-0502
----
The account 'OutOfBox' has no password set. An attacker may use it
to gain further privileges on this system.

Risk factor : High
Solution : Set a password for this account or disable it
CVE : CVE-1999-0502
----
The account 'root' has no password set!

Risk factor : High
Solution : Set a password for this account or disable it
CVE : CVE-1999-0502
----
The account 'root' has the password 'root'. An attacker may use it to
gain further privileges on this system

Risk factor : High
Solution : Set a password for this account or disable it
CVE : CVE-1999-0502
----


These are obviously false positives, as the system is not OS X (as one of the above claims) but Linux. It doesn't have those users. Besides, how can the root password be 'root' and not set at the same time. Of course, all of them are connected with CVE : CVE-1999-0502

--
HG.
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