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ubuntucveUbuntu.comUB:CVE-2017-7832
HistoryNov 15, 2017 - 12:00 a.m.

CVE-2017-7832

2017-11-1500:00:00
ubuntu.com
ubuntu.com
15

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.003

Percentile

65.5%

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.

OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchfirefox< 57.0+build4-0ubuntu0.17.10.5UNKNOWN
ubuntu18.04noarchfirefox< 57.0.1+build2-0ubuntu1UNKNOWN
ubuntu14.04noarchfirefox< 57.0+build4-0ubuntu0.14.04.4UNKNOWN
ubuntu16.04noarchfirefox< 57.0+build4-0ubuntu0.16.04.5UNKNOWN
ubuntu17.04noarchfirefox< 57.0+build4-0ubuntu0.17.04.5UNKNOWN

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.003

Percentile

65.5%