The setup script in Domain Technologie Control (DTC) before 0.34.1 uses world-readable permissions for /etc/apache2/apache2.conf, which allows local users to obtain the dtcdaemons MySQL password by reading the file.
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=637485
http://www.openwall.com/lists/oss-security/2011/08/24/10
http://www.openwall.com/lists/oss-security/2011/08/13/1