CVE-2019-11749

Description

A vulnerability exists in WebRTC where malicious web content can use probing techniques on the getUserMedia API using constraints to reveal device properties of cameras on the system without triggering a user prompt or notification. This allows for the potential fingerprinting of users. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1.

4.3

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.37%

Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org

Affected: Mozilla Firefox

Affected: Mozilla Firefox ESR

References

Link	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1565374	issue tracking permissions required vendor advisory
https://www.mozilla.org/security/advisories/mfsa2019-25/	vendor advisory
https://www.mozilla.org/security/advisories/mfsa2019-26/	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-11749?: CVE-2019-11749 has been scored as a medium severity vulnerability.
How to fix CVE-2019-11749?: To fix CVE-2019-11749, 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-2019-11749 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2019-11749 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-11749?: CVE-2019-11749 affects Mozilla Firefox, Mozilla Firefox ESR.

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