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CVE-2024-8382

8.8 · HIGH

Internal browser event interfaces were exposed to web content when privileged EventHandler listener callbacks ran for those events.

Published Sep 3, 2024CWE-273EPSS 0.60%

Overview

CVE-2024-8382 is a high-severity vulnerability. It was published on September 3, 2024 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Internal browser event interfaces were exposed to web content when privileged EventHandler listener callbacks ran for those events. Web content that tried to use those interfaces would not be able to use them with elevated privileges, but their presence would indicate certain browser features had been used, such as when a user opened the Dev Tools console. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, Firefox ESR < 115.15, Thunderbird < 128.2, and Thunderbird < 115.15.

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

Refbugzilla.mozilla.org/show_bug.cgi?id=1906744Refwww.mozilla.org/security/advisories/mfsa2024-39/Refwww.mozilla.org/security/advisories/mfsa2024-40/Refwww.mozilla.org/security/advisories/mfsa2024-41/Refwww.mozilla.org/security/advisories/mfsa2024-43/Refwww.mozilla.org/security/advisories/mfsa2024-44/Reflists.debian.org/debian-lts-announce/2024/09/msg00012.htmlReflists.debian.org/debian-lts-announce/2024/09/msg00025.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-8382?

CVE-2024-8382 is a high-severity vulnerability. It was published on September 3, 2024 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2024-8382?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-8382?

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-2024-8382?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-8382 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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