CVE-2017-7825

Summary

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 Software

Weaknesses

• OS X fonts render some Tibetan and Arabic unicode characters as spaces

ADP Enrichment

CVE Program Container

Additional 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

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

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