CVE-2017-7825

MEDIUM

Description

Several fonts on OS X display some Tibetan and Arabic characters as whitespace. When used in the addressbar as part of an IDN this can be used for domain name spoofing attacks. Note: This attack only affects OS X operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

References

http://www.securityfocus.com/bid/101059

http://www.securitytracker.com/id/1039465

https://bugzilla.mozilla.org/show_bug.cgi?id=1390980

https://bugzilla.mozilla.org/show_bug.cgi?id=1393624

https://lists.debian.org/debian-lts-announce/2017/11/msg00000.html

https://security.gentoo.org/glsa/201803-14

https://www.mozilla.org/security/advisories/mfsa2017-21/

https://www.mozilla.org/security/advisories/mfsa2017-22/

https://www.mozilla.org/security/advisories/mfsa2017-23/

Details

Source: MITRE

Published: 2018-06-11

Updated: 2018-08-06

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 5.3

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

Impact Score: 1.4

Exploitability Score: 3.9

Severity: MEDIUM