CVE-2024-39343 Denial of service in n/a

High 7.0 Published 2 Dec 2024 Updated 3 Dec 2024

Attackers can cause denial of service in Samsung Exynos devices by exploiting improper length checks in the baseband software.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2024-39343?

CVE-2024-39343 is a high-severity denial of service vulnerability in Samsung Exynos 1280 Firmware, published on 2 Dec 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in Samsung Mobile Processor and Wearable Processor Exynos 2100, 1280, 2200, 1330, 1380, 1480, 2400, 9110, Modem 5123, and Modem 5300. The baseband software does not properly check the length specified by the MM (Mobility Management) module, which can lead to Denial of Service.

Weakness: CWE-1284

Which versions are affected by CVE-2024-39343?

It affects 9 products.

Products include Samsung Exynos 1280 Firmware, Samsung Exynos 1330 Firmware, Samsung Exynos 1380 Firmware, Samsung Exynos 1480 Firmware, Samsung Exynos 2100 Firmware, Samsung Exynos 2400 Firmware and 3 more.

How do I fix CVE-2024-39343?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2024-39343 being exploited?

There is no known exploitation of CVE-2024-39343 in the wild and no public exploit code.

All Samsung Exynos 1280 Firmware vulnerabilities

Sources

Also known as A-353868438, GHSA-8qqv-vv7x-pmx3, PUB-A-353868438.