CVE-2024-0747 Security feature bypass in Firefox
A flaw in Firefox and Thunderbird allowed parent pages to override child iframe Content Security Policies, bypassing security restrictions.
- 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-2024-0747?
CVE-2024-0747 is a medium-severity vulnerability in Debian Debian Linux, published on 23 Jan 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
When a parent page loaded a child in an iframe with `unsafe-inline`, the parent Content Security Policy could have overridden the child Content Security Policy. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.
Weakness: CWE-693
Which versions are affected by CVE-2024-0747?
It affects 4 products.
Products include Debian Debian Linux, Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.
How do I fix CVE-2024-0747?
Upgrade to a fixed version.
Is CVE-2024-0747 being exploited?
There is no known exploitation of CVE-2024-0747 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2024-0747, GHSA-jx5w-px6r-88w4, UBUNTU-CVE-2024-0747.