CVE-2024-1549 Security feature bypass in Firefox
Attackers can use large custom cursors to obscure permission dialogs, tricking users into granting unintended permissions in Firefox and Thunderbird.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2024-1549?
CVE-2024-1549 is a medium-severity vulnerability in Debian Debian Linux, published on 20 Feb 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Which versions are affected by CVE-2024-1549?
It affects 3 products.
Products include Debian Debian Linux, Mozilla Firefox, Mozilla Thunderbird.
How do I fix CVE-2024-1549?
Upgrade to a fixed version.
Is CVE-2024-1549 being exploited?
There is no known exploitation of CVE-2024-1549 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2024-1549, GHSA-mf2m-vhfh-2qjv, UBUNTU-CVE-2024-1549.