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CVE-2023-29534

9.1 · CRITICAL

Different techniques existed to obscure the fullscreen notification in Firefox and Focus for Android.

Published Jun 19, 2023EPSS 0.71%

Overview

CVE-2023-29534 is a critical-severity vulnerability. It was published on June 19, 2023 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Different techniques existed to obscure the fullscreen notification in Firefox and Focus for Android. These could have led to potential user confusion and spoofing attacks.

*This bug only affects Firefox and Focus for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox for Android < 112 and Focus for Android < 112.

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=1816007Refbugzilla.mozilla.org/show_bug.cgi?id=1816059Refbugzilla.mozilla.org/show_bug.cgi?id=1821155Refbugzilla.mozilla.org/show_bug.cgi?id=1821576Refbugzilla.mozilla.org/show_bug.cgi?id=1821906Refbugzilla.mozilla.org/show_bug.cgi?id=1822298Refbugzilla.mozilla.org/show_bug.cgi?id=1822305Refwww.mozilla.org/security/advisories/mfsa2023-13/Refbugzilla.mozilla.org/show_bug.cgi?id=1816007Refbugzilla.mozilla.org/show_bug.cgi?id=1816059

How CyberStrike helps

Frequently asked questions

What is CVE-2023-29534?

CVE-2023-29534 is a critical-severity vulnerability. It was published on June 19, 2023 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2023-29534?

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-29534?

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-2023-29534?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-29534 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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