CVE-2024-6612: firefox Information Disclosure — Fix

Description

CSP violations generated links in the console tab of the developer tools, pointing to the violating resource. This caused a DNS prefetch which leaked that a CSP violation happened. This vulnerability affects Firefox < 128 and Thunderbird < 128.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-200 CWE-200

Affected Products

Vendor	Product	Versions
mozilla	firefox	< 128.0
mozilla	thunderbird	< 128.0

References

Advisories & Patches

https://www.mozilla.org/security/advisories/mfsa2024-29/ https://www.mozilla.org/security/advisories/mfsa2024-32/ https://www.mozilla.org/security/advisories/mfsa2024-29/ https://www.mozilla.org/security/advisories/mfsa2024-32/

Other References

https://bugzilla.mozilla.org/show_bug.cgi?id=1880374 https://bugzilla.mozilla.org/show_bug.cgi?id=1880374

Frequently Asked Questions

What is CVE-2024-6612? +

CSP violations generated links in the console tab of the developer tools, pointing to the violating resource. This caused a DNS prefetch which leaked that a CSP violation happened. This vulnerability affects Firefox < 128 and Thunderbird < 128. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2024-6612? +

CVE-2024-6612 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-6612? +

CVE-2024-6612 affects products from mozilla, specifically: firefox, thunderbird. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-6612? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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