#VU74830 Security features bypass in Mozilla products - CVE-2023-29540

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Main Vulnerability Database Vulnerabilities #VU74830

#VU74830 Security features bypass in Mozilla products - CVE-2023-29540

Published: April 11, 2023


Vulnerability identifier: #VU74830
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-29540
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Mozilla Firefox
Firefox for Android
Firefox Focus for Android
Software vendor:
Mozilla

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to incorrect processing of iframes. A remote attacker can use a redirect embedded into sourceMappingUrls to allow navigation to external protocol links in sandboxed iframes without allow-top-navigation-to-custom-protocols.


Remediation

Install updates from vendor's website.

External links