Description
Several fonts on OS X display some Tibetan and Arabic characters as whitespace. When used in the addressbar as part of an IDN this can be used for domain name spoofing attacks. Note: This attack only affects OS X operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Firefox
unspecified to < 56affected
Mozilla Firefox ESR
unspecified to < 52.4affected
Mozilla Thunderbird
unspecified to < 52.4affected
References
- http://www.securityfocus.com/bid/101059 ↗
- https://lists.debian.org/debian-lts-announce/2017/11/msg00000.html ↗
- https://www.mozilla.org/security/advisories/mfsa2017-22/ ↗
- https://bugzilla.mozilla.org/show_bug.cgi?id=1393624 ↗
- http://www.securitytracker.com/id/1039465 ↗
- https://www.mozilla.org/security/advisories/mfsa2017-21/ ↗
- https://bugzilla.mozilla.org/show_bug.cgi?id=1390980 ↗
- https://www.mozilla.org/security/advisories/mfsa2017-23/ ↗
- https://security.gentoo.org/glsa/201803-14 ↗