Weird Zimbra Vulnerability

Hackers can execute commands on a remote computer by sending malformed emails to a Zimbra mail server. It's critical, but difficult to exploit reliably. In an email sent Wednesday afternoon, Proofpoint researcher Greg Lesnewich seemed to largely concur that the attacks weren't likely to lead to...

DEBIAN-CVE-2007-4321

fail2ban 0.8 and earlier does not properly parse sshd log files, which allows remote attackers to add arbitrary hosts to the /etc/hosts.deny file and cause a denial of service by adding arbitrary IP addresses to the sshd log file, as demonstrated by logging in via ssh with a client protocol versi...