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CVE-2017-7832

Date: June 11, 2018

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.

Language: Unix

Severity Score

Related Resources (7)

https://www.mozilla.org/security/advisories/mfsa2017-24/
http://www.securitytracker.com/id/1039803
http://www.securityfocus.com/bid/101832
https://bugzilla.mozilla.org/show_bug.cgi?id=1408782
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-7832
https://nvd.nist.gov/vuln/detail/CVE-2017-7832
https://www.mend.io/vulnerability-database/CVE-2017-7832

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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