CVE-2024-1549: firefox — Fix

Description

If a website set a large custom cursor, portions of the cursor could have overlapped with the permission dialog, potentially resulting in user confusion and unexpected granted permissions. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.

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CVSS v3.1 Score

6.1

MEDIUM

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

Affected Products

Vendor	Product	Versions
mozilla	firefox	< 115.8.0
mozilla	firefox	< 123.0
mozilla	thunderbird	< 115.8.0
debian	debian_linux	All

References

Advisories & Patches

https://www.mozilla.org/security/advisories/mfsa2024-05/ https://www.mozilla.org/security/advisories/mfsa2024-06/ https://www.mozilla.org/security/advisories/mfsa2024-07/ https://www.mozilla.org/security/advisories/mfsa2024-05/ https://www.mozilla.org/security/advisories/mfsa2024-06/ https://www.mozilla.org/security/advisories/mfsa2024-07/

Other References

https://bugzilla.mozilla.org/show_bug.cgi?id=1833814 https://lists.debian.org/debian-lts-announce/2024/03/msg00000.html https://lists.debian.org/debian-lts-announce/2024/03/msg00001.html https://bugzilla.mozilla.org/show_bug.cgi?id=1833814 https://lists.debian.org/debian-lts-announce/2024/03/msg00000.html https://lists.debian.org/debian-lts-announce/2024/03/msg00001.html

Frequently Asked Questions

What is CVE-2024-1549? +

If a website set a large custom cursor, portions of the cursor could have overlapped with the permission dialog, potentially resulting in user confusion and unexpected granted permissions. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2024-1549? +

CVE-2024-1549 has a CVSS v3.1 score of 6.1 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-2024-1549? +

CVE-2024-1549 affects products from debian, mozilla, specifically: debian_linux, firefox, thunderbird. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-1549? +

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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CVE-2024-1549