Vulnerability Monitor

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CVE-2017-7833

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.

Published

2018-06-11T21:29:11.530

Last Modified

2024-11-21T03:32:45.777

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	≤ 56.0.2	Yes

References

http://www.securityfocus.com/bid/101832 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1039803 Third Party Advisory, VDB Entry ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1370497 Issue Tracking, Permissions Required ([email protected])
https://www.mozilla.org/security/advisories/mfsa2017-24/ Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/101832 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1039803 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.mozilla.org/show_bug.cgi?id=1370497 Issue Tracking, Permissions Required (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2017-24/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)