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Security Portal: Weekly Linux Security Digest 2000/10/30 to 2000/11/05

Some ugly problems were found this week in SWAT. Remote
attackers can execute a denial of service, or try to brute-force
usernames and passwords.
However, if you log these attempts,
local users on the server can potentially gain root access, or
simply look at the log file for the usernames and passwords of
users that log in successfully to manage Samba via SWAT. This is
why firewalling management services (especially Web-based ones) are
so critical. You should also use a program like stunnel to SSL-wrap
the connection so that usernames and passwords cannot be
sniffed.”

“Napster for Linux is apparently full of problems. Other Napster
programs for Linux are poor, as Knapster has also been found to
have problems. Use them at your own risk. Finally we have
Ultraseek, a popular search engine (we use it here at
SecurityPortal) – the good news is that it is only a denial of
service attack. Tripwire 2.3 is officially out for Linux now, under
the GPL license. (If you want to do a lot of machines, though,
you’d best buy their commercial management software – or go insane
trying to manage it manually.)”

“We lead off with general advisories and exploit code, then move
to vendor advisories. Most items appear in alphabetical order. If
we’re missing a Linux vendor’s advisory, please tell us – ditto for
any Linux-related security alerts. The long strings of hex in front
of package names are MD5 signatures.”

Complete
Story

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