Security researcher Gregory Fleischer demonstrated a problem with the HTTP Referrer headers sent with requests to URLs containing Basic Authentication credentials with empty usernames. In these cases a number of leading characters, based on the length of the password in the URL, are removed from the referrer header's hostname. This could possibly lead to a CSRF attack.
This will be mfsa2008-16
This is now public: http://www.mozilla.org/security/announce/2008/mfsa2008-16.html
blam-1.8.3-14.fc8,chmsee-1.0.0-1.30.fc8,devhelp-0.16.1-6.fc8,epiphany-2.20.3-2.fc8,epiphany-extensions-2.20.1-6.fc8,firefox-2.0.0.13-1.fc8,galeon-2.0.4-1.fc8.3,gnome-python2-extras-2.19.1-13.fc8,gnome-web-photo-0.3-9.fc8,gtkmozembedmm-1.4.2.cvs20060817-19.fc8,kazehakase-0.5.3-5.fc8,liferea-1.4.13-2.fc8,Miro-1.1.2-2.fc8,openvrml-0.17.5-4.fc8,ruby-gnome2-0.16.0-21.fc8,yelp-2.20.0-8.fc8 has been submitted as an update for Fedora 8
chmsee-1.0.0-1.30.fc7, devhelp-0.13-15.fc7, epiphany-2.18.3-8.fc7, epiphany-extensions-2.18.3-8, firefox-2.0.0.13-1.fc7, galeon-2.0.3-16.fc7, gnome-python2-extras-2.14.3-9.fc7, gtkmozembedmm-1.4.2.cvs20060817-16.fc7, kazehakase-0.5.3-5.fc7, liferea-1.4.13-2.fc7, Miro-1.1.2-2.fc7, openvrml-0.16.7-4.fc7, ruby-gnome2-0.16.0-22.fc7, yelp-2.18.1-10.fc7 has been pushed to the Fedora 7 stable repository. If problems still persist, please make note of it in this bug report.
gnome-python2-extras-2.19.1-13.fc8, ruby-gnome2-0.16.0-21.fc8, epiphany-2.20.3-2.fc8, gtkmozembedmm-1.4.2.cvs20060817-19.fc8, epiphany-extensions-2.20.1-6.fc8, liferea-1.4.13-2.fc8, Miro-1.1.2-2.fc8, yelp-2.20.0-8.fc8, devhelp-0.16.1-6.fc8, galeon-2.0.4-1.fc8.3, gnome-web-photo-0.3-9.fc8, chmsee-1.0.0-1.30.fc8, kazehakase-0.5.3-5.fc8, openvrml-0.17.5-4.fc8, blam-1.8.3-14.fc8, firefox-2.0.0.13-1.fc8 has been pushed to the Fedora 8 stable repository. If problems still persist, please make note of it in this bug report.
This issue was addressed in: Red Hat Enterprise Linux: http://rhn.redhat.com/errata/RHSA-2008-0207.html http://rhn.redhat.com/errata/RHSA-2008-0208.html http://rhn.redhat.com/errata/RHSA-2008-0209.html Fedora: https://admin.fedoraproject.org/updates/F8/FEDORA-2008-2682