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VULNERABILITIES

CVE-2017-7833 Details

Description

Some Arabic and Indic vowel marker characters can be combined with Latin characters in a domain name to eclipse the non-Latin character with some font sets on the addressbar. The non-Latin character will not be visible to most viewers. This allows for domain spoofing attacks because these combined domain names do not display as punycode. This vulnerability affects Firefox < 57.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=1370497 CVEIssue TrackingPermissions Required
https://www.mozilla.org/security/advisories/mfsa2017-24/ CVEVendor Advisory
http://www.securityfocus.com/bid/101832 CVEThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039803 CVEThird Party AdvisoryVDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1370497 [email protected]Issue TrackingPermissions Required

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-20Improper Input Validation[email protected]

Affected Products

ProductVersions
mozilla firefox
<= 56.0.2

CPE

  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2017-7833
NVD Published Date:
Jun 11, 2018
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2017-7833 Details - Not Deferred