CVE-2017-7825

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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.71% Top 20%
Vendor Advisory gentoo.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Affected: Mozilla Firefox ESR
Affected: Mozilla Thunderbird
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/101059 vdb entry third party advisory
https://lists.debian.org/debian-lts-announce/2017/11/msg00000.html third party advisory mailing list
https://www.mozilla.org/security/advisories/mfsa2017-22/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1393624 issue tracking third party advisory
http://www.securitytracker.com/id/1039465 vdb entry third party advisory
https://www.mozilla.org/security/advisories/mfsa2017-21/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1390980 issue tracking third party advisory
https://www.mozilla.org/security/advisories/mfsa2017-23/ vendor advisory
https://security.gentoo.org/glsa/201803-14 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-7825?
CVE-2017-7825 has been scored as a medium severity vulnerability.
How to fix CVE-2017-7825?
To fix CVE-2017-7825, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-7825 being actively exploited in the wild?
It is possible that CVE-2017-7825 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-7825?
CVE-2017-7825 affects Mozilla Firefox, Mozilla Firefox ESR, Mozilla Thunderbird.
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