CVE-2024-1550: firefox — Fix

Description

A malicious website could have used a combination of exiting fullscreen mode and `requestPointerLock` to cause the user's mouse to be re-positioned unexpectedly, which could have led to user confusion and inadvertently granting permissions they did not intend to grant. 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

Weakness Type (CWE)

CWE-1021 CWE-1021

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://lists.debian.org/debian-lts-announce/2024/03/msg00001.html 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://lists.debian.org/debian-lts-announce/2024/03/msg00001.html 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=1860065 https://lists.debian.org/debian-lts-announce/2024/03/msg00000.html https://bugzilla.mozilla.org/show_bug.cgi?id=1860065 https://lists.debian.org/debian-lts-announce/2024/03/msg00000.html

Frequently Asked Questions

What is CVE-2024-1550? +

A malicious website could have used a combination of exiting fullscreen mode and `requestPointerLock` to cause the user's mouse to be re-positioned unexpectedly, which could have led to user confusion and inadvertently granting permissions they did not intend to grant. 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-2024-1550? +

CVE-2024-1550 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-2024-1550? +

CVE-2024-1550 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-2024-1550? +

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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