firebird2.0 security bug is now fixed in debian/gentoo
There is an grave security bug in firebird package 2.0 from debian and ubuntu
where an user can connect to the server with SYSDBA and NO password
The bug is now fixed in debian sid (unstable)
and here is the changelog
firebird2.0-super.init: stop exporting ISC_USER and ISC_PASSWORD.
Fixes a hole causing remote connections as user SYSDBA to succeed
without giving a password.
Closes: #481389 and CVE-2008-1880
Here is the commit diff http://git.debian.org/?p=pkg-firebird/2.0.git;a=commit;h=db15b5744dd70864062bea0cefc15dfc74c33b66
An quick fix if you have an firebird2.0 debian/ubuntu package is to delete these lines in the /etc/init.d/firebird2.0-super
[ -r “$DBAPasswordFile” ] && . “$DBAPasswordFile”
Or get the git version of the package and copy the init script
$sudo cp 2.0/debian/firebird2.0-super.init /etc/init.d/firebird2.0-super