Information disclosure in Apple Mac OS X

CVE-2017-5425

The Gecko Media Plugin sandbox allows access to local files that match specific regular expressions. On OS OX, this matching allows access to some data in subdirectories of "/private/var" that could expose personal or temporary data. This has been updated to not allow access to "/private/var" and its subdirectories. Note: this issue only affects OS X. Other operating systems are not affected. This vulnerability affects Firefox < 52 and Thunderbird < 52.

Vulnerability class: Information Disclosure

EPSS: 0.020 (78.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-5425?
CVE-2017-5425 is a high-severity vulnerability in Apple Mac OS X, classified under Information Disclosure. CVSS score: 7.5/10. Published 2018-06-11.
How severe is CVE-2017-5425?
High severity. CVSS v3 base score is 7.5 out of 10.