The automatic update request in Nagstamont before 0.9.10 uses a cleartext base64 format for transmission of a username and password, which allows remote attackers to obtain sensitive information by sniffing the network.
https://bugzilla.redhat.com/show_bug.cgi?id=983673
https://bugs.gentoo.org/show_bug.cgi?id=476538
http://www.openwall.com/lists/oss-security/2013/07/11/7
http://secunia.com/advisories/54276
http://secunia.com/advisories/54072
http://nagstamon.ifw-dresden.de/docs/security/
http://lists.opensuse.org/opensuse-updates/2013-07/msg00072.html