CVE-2017-5383 Information

Description

URLs containing certain unicode glyphs for alternative hyphens and quotes do not properly trigger punycode display allowing for domain name spoofing attacks in the location bar. This vulnerability affects Thunderbird 45.7 Firefox ESR 45.7 and Firefox 51.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Reference

http://rhn.redhat.com/errata/RHSA-2017-0190.html http://rhn.redhat.com/errata/RHSA-2017-0238.html http://www.securityfocus.com/bid/95769 http://www.securitytracker.com/id/1037693 https://bugzilla.mozilla.org/show_bug.cgi?id=1323338 https://bugzilla.mozilla.org/show_bug.cgi?id=1324716 https://security.gentoo.org/glsa/201702-13 https://security.gentoo.org/glsa/201702-22 https://www.debian.org/security/2017/dsa-3771 https://www.debian.org/security/2017/dsa-3832 https://www.mozilla.org/security/advisories/mfsa2017-01/ https://www.mozilla.org/security/advisories/mfsa2017-02/ https://www.mozilla.org/security/advisories/mfsa2017-03/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

5.3