Security researcher Takehiro Takahashi of the IBM X-Force reported that Mozilla's NTLM implementation was vulnerable to reflection attacks in which NTLM credentials from one application could be forwarded to another arbitary application via the browser. If an attacker could get a user to visit a web page he controlled he could force NTLM authenticated requests to be forwarded to another application on behalf of the user.
This issue has been addressed in following products: Red Hat Enterprise Linux 3 Red Hat Enterprise Linux 4 Via RHSA-2009:1673 https://rhn.redhat.com/errata/RHSA-2009-1673.html
This issue has been addressed in following products: Red Hat Enterprise Linux 4 Red Hat Enterprise Linux 5 Via RHSA-2009:1674 https://rhn.redhat.com/errata/RHSA-2009-1674.html
firefox-3.5.6-1.fc11, epiphany-extensions-2.26.1-9.fc11, yelp-2.26.0-10.fc11, ruby-gnome2-0.19.3-5.fc11, perl-Gtk2-MozEmbed-0.08-6.fc11.8, mozvoikko-0.9.7-0.10.rc1.fc11, monodevelop-2.0-8.fc11, Miro-2.5.2-7.fc11, kazehakase-0.5.8-4.fc11, google-gadgets-0.11.1-4.fc11, hulahop-0.4.9-11.fc11, gnome-web-photo-0.7-9.fc11, galeon-2.0.7-19.fc11, gnome-python2-extras-2.25.3-10.fc11, evolution-rss-0.1.4-9.fc11, blam-1.8.5-17.fc11, pcmanx-gtk2-0.3.8-11.fc11, epiphany-2.26.3-7.fc11, chmsee-1.0.1-14.fc11, xulrunner-1.9.1.6-1.fc11 has been pushed to the Fedora 11 stable repository. If problems still persist, please make note of it in this bug report.
gnome-python2-extras-2.25.3-14.fc12, mozvoikko-1.0-7.fc12, gnome-web-photo-0.9-4.fc12, galeon-2.0.7-19.fc12, Miro-2.5.2-7.fc12, firefox-3.5.6-1.fc12, perl-Gtk2-MozEmbed-0.08-6.fc12.10, blam-1.8.5-21.fc12, xulrunner-1.9.1.6-1.fc12 has been pushed to the Fedora 12 stable repository. If problems still persist, please make note of it in this bug report.