Vulnerability Monitor

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CVE-2017-7832

The combined, single character, version of the letter 'i' with any of the potential accents in unicode, such as acute or grave, can be spoofed in the addressbar by the dotless version of 'i' followed by the same accent as a second character with most font sets. This allows for domain spoofing attacks because these combined domain names do not display as punycode. This vulnerability affects Firefox < 57.

Published

2018-06-11T21:29:11.483

Last Modified

2024-11-21T03:32:45.663

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=1408782 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=1408782 Issue Tracking, Permissions Required (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2017-24/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)