CVE-2024-11705 Null dereference in Firefox
A null pointer dereference in NSC_DeriveKey causes application crashes when a NULL key handle is passed, affecting Firefox and Thunderbird users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-11705?
CVE-2024-11705 is a critical vulnerability in Mozilla Firefox, published on 26 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
`NSC_DeriveKey` inadvertently assumed that the `phKey` parameter is always non-NULL. When it was passed as NULL, a segmentation fault (SEGV) occurred, leading to crashes. This behavior conflicted with the PKCS#11 v3.0 specification, which allows `phKey` to be NULL for certain mechanisms. This vulnerability affects Firefox < 133 and Thunderbird < 133.
Weakness: CWE-476
Which versions are affected by CVE-2024-11705?
It affects 2 products.
Products include Mozilla Firefox, Mozilla Thunderbird.
How do I fix CVE-2024-11705?
Upgrade to a fixed version.
Is CVE-2024-11705 being exploited?
There is no known exploitation of CVE-2024-11705 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-h43c-gg33-qj9g, UBUNTU-CVE-2024-11705.