Bug 488292 (CVE-2009-0777) - CVE-2009-0777 Firefox URL spoofing with invisible control characters
Summary: CVE-2009-0777 Firefox URL spoofing with invisible control characters
Alias: CVE-2009-0777
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On:
TreeView+ depends on / blocked
Reported: 2009-03-03 16:50 UTC by Josh Bressers
Modified: 2019-09-29 12:28 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2015-08-22 15:18:24 UTC

Attachments (Terms of Use)

System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2009:0315 0 normal SHIPPED_LIVE Critical: firefox security update 2009-03-05 00:20:38 UTC

Description Josh Bressers 2009-03-03 16:50:15 UTC
Mozilla contributor Masahiro Yamada reported that certain invisible control
characters were being decoded when displayed in the location bar, resulting
in fewer visible characters than were present in the actual location. An
attacker could use this vulnerability to spoof the location bar and display
a misleading URL for their malicious web page.

Comment 1 Tomas Hoger 2009-03-05 08:09:48 UTC
Public now via:

Comment 2 Fedora Update System 2009-03-08 19:34:33 UTC
firefox-3.0.7-1.fc9, xulrunner-, epiphany-2.22.2-8.fc9, epiphany-extensions-2.22.1-8.fc9, blam-1.8.5-6.fc9.1, chmsee-1.0.1-9.fc9, devhelp-0.19.1-9.fc9, galeon-2.0.7-7.fc9, gnome-python2-extras-2.19.1-24.fc9, gnome-web-photo-0.3-18.fc9, google-gadgets-0.10.5-3.fc9, gtkmozembedmm-1.4.2.cvs20060817-26.fc9, kazehakase-0.5.6-1.fc9.4, Miro-1.2.7-5.fc9, mozvoikko-0.9.5-7.fc9, mugshot-1.2.2-6.fc9, ruby-gnome2-0.17.0-6.fc9, totem-2.23.2-12.fc9, yelp-2.22.1-9.fc9 has been pushed to the Fedora 9 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 3 Fedora Update System 2009-03-08 19:35:54 UTC
firefox-3.0.7-1.fc10, xulrunner-, epiphany-2.24.3-3.fc10, epiphany-extensions-2.24.0-5.fc10, blam-1.8.5-7.fc10, devhelp-0.22-5.fc10, evolution-rss-0.1.2-5.fc10, galeon-2.0.7-7.fc10, gecko-sharp2-0.13-5.fc10, gnome-python2-extras-2.19.1-27.fc10, gnome-web-photo-0.3-15.fc10, google-gadgets-0.10.5-3.fc10, kazehakase-0.5.6-1.fc10.4, Miro-2.0-4.fc10, mozvoikko-0.9.5-7.fc10, mugshot-1.2.2-6.fc10, pcmanx-gtk2-0.3.8-6.fc10, ruby-gnome2-0.18.1-4.fc10, yelp-2.24.0-6.fc10 has been pushed to the Fedora 10 stable repository.  If problems still persist, please make note of it in this bug report.

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