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CVE-2017-7763

Default fonts on OS X display some Tibetan characters as whitespace.

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 54, 52.2
None on Exploit-DB, Metasploit or GitHub

Summary

Default fonts on OS X display some Tibetan 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 < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Mozilla Firefox

    fixed in 54

  • Mozilla Firefox ESR

    fixed in 52.2

  • Mozilla Thunderbird

    fixed in 52.2

References 6

securityfocus.com

mozilla.org

bugzilla.mozilla.org

securitytracker.com