CVE-2024-5691: firefox — Fix

Description

By tricking the browser with a `X-Frame-Options` header, a sandboxed iframe could have presented a button that, if clicked by a user, would bypass restrictions to open a new window. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.

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CVSS v3.1 Score

4.7

MEDIUM

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

Weakness Type (CWE)

CWE-693 CWE-693

Affected Products

Vendor	Product	Versions
mozilla	firefox	< 127.0
mozilla	firefox_esr	< 115.12
mozilla	thunderbird	< 115.12

References

Advisories & Patches

https://www.mozilla.org/security/advisories/mfsa2024-25/ https://www.mozilla.org/security/advisories/mfsa2024-26/ https://www.mozilla.org/security/advisories/mfsa2024-28/ https://www.mozilla.org/security/advisories/mfsa2024-25/ https://www.mozilla.org/security/advisories/mfsa2024-26/ https://www.mozilla.org/security/advisories/mfsa2024-28/

Other References

https://bugzilla.mozilla.org/show_bug.cgi?id=1888695 https://lists.debian.org/debian-lts-announce/2024/06/msg00000.html https://lists.debian.org/debian-lts-announce/2024/06/msg00010.html https://bugzilla.mozilla.org/show_bug.cgi?id=1888695 https://lists.debian.org/debian-lts-announce/2024/06/msg00000.html https://lists.debian.org/debian-lts-announce/2024/06/msg00010.html

Frequently Asked Questions

What is CVE-2024-5691? +

By tricking the browser with a `X-Frame-Options` header, a sandboxed iframe could have presented a button that, if clicked by a user, would bypass restrictions to open a new window. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12. It has a CVSS v3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2024-5691? +

CVE-2024-5691 has a CVSS v3.1 score of 4.7 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-2024-5691? +

CVE-2024-5691 affects products from mozilla, specifically: firefox, firefox_esr, thunderbird. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-5691? +

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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