CVE-2017-7830

Description

The Resource Timing API incorrectly revealed navigations in cross-origin iframes. This is a same-origin policy violation and could allow for data theft of URLs loaded by users. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.

6.5

CVSS

Severity: Medium

CVSS 3.0 •

CVSS 2.0 •

EPSS 0.91% Top 30%

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Affected: Mozilla Firefox

Affected: Mozilla Firefox ESR

Affected: Mozilla Thunderbird

References

Link	Tags
https://lists.debian.org/debian-lts-announce/2017/12/msg00001.html	third party advisory mailing list
https://www.debian.org/security/2017/dsa-4035	third party advisory vendor advisory
https://www.mozilla.org/security/advisories/mfsa2017-24/	vendor advisory
https://www.mozilla.org/security/advisories/mfsa2017-25/	vendor advisory
http://www.securityfocus.com/bid/101832	third party advisory vdb entry
https://www.mozilla.org/security/advisories/mfsa2017-26/	vendor advisory
http://www.securitytracker.com/id/1039803	third party advisory vdb entry
https://www.debian.org/security/2017/dsa-4061	third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2017/11/msg00018.html	third party advisory mailing list
https://bugzilla.mozilla.org/show_bug.cgi?id=1408990	third party advisory issue tracking permissions required
https://access.redhat.com/errata/RHSA-2017:3247	third party advisory vendor advisory
https://www.debian.org/security/2017/dsa-4075	third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:3372	third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-7830?: CVE-2017-7830 has been scored as a medium severity vulnerability.
How to fix CVE-2017-7830?: To fix CVE-2017-7830, 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-2017-7830 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2017-7830 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-7830?: CVE-2017-7830 affects Mozilla Firefox, Mozilla Firefox ESR, Mozilla Thunderbird.