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CVE-2019-11748

6.5 · MEDIUM

WebRTC in Firefox will honor persisted permissions given to sites for access to microphone and camera resources even when in a third-party context.

Published Sep 27, 2019CWE-281EPSS 1.03%

Overview

CVE-2019-11748 is a medium-severity vulnerability. It was published on September 27, 2019 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

WebRTC in Firefox will honor persisted permissions given to sites for access to microphone and camera resources even when in a third-party context. In light of recent high profile vulnerabilities in other software, a decision was made to no longer persist these permissions. This avoids the possibility of trusted WebRTC resources being invisibly embedded in web content and abusing permissions previously given by users. Users will now be prompted for permissions on each use. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.opensuse.org/opensuse-security-announce/2019-10/msg00011.htmlReflists.opensuse.org/opensuse-security-announce/2019-10/msg00017.htmlRefbugzilla.mozilla.org/show_bug.cgi?id=1564588Refwww.mozilla.org/security/advisories/mfsa2019-25/Refwww.mozilla.org/security/advisories/mfsa2019-26/Reflists.opensuse.org/opensuse-security-announce/2019-10/msg00011.htmlReflists.opensuse.org/opensuse-security-announce/2019-10/msg00017.htmlRefbugzilla.mozilla.org/show_bug.cgi?id=1564588Refwww.mozilla.org/security/advisories/mfsa2019-25/Refwww.mozilla.org/security/advisories/mfsa2019-26/

How CyberStrike helps

Frequently asked questions

What is CVE-2019-11748?

CVE-2019-11748 is a medium-severity vulnerability. It was published on September 27, 2019 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2019-11748?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-11748?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-11748?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-11748 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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