CVE-2019-11749

low-risk
Published 2019-09-27

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.

Do I need to act?

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0.37% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Mozilla

References (10)

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1565374
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2019-25/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2019-26/
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1565374
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2019-25/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2019-26/
26
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 7/34 · Low