CVE-2023-50807 Memory corruption in n/a
An out-of-bounds heap write in Samsung Exynos modems allows remote code execution without authentication via 2G networks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-50807?
CVE-2023-50807 is a high-severity memory corruption vulnerability in Samsung Exynos Modem 5300 Firmware, published on 9 Jul 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was discovered in Samsung Wearable Processor and Modems with versions Exynos 9110, Exynos Modem 5123, Exynos Modem 5300 that allows an out-of-bounds write in the heap in 2G (no auth).
Weakness: CWE-787
Which versions are affected by CVE-2023-50807?
It affects 3 products.
Products include Samsung Exynos 9110 Firmware, Samsung Exynos Modem 5123 Firmware, Samsung Exynos Modem 5300 Firmware.
How do I fix CVE-2023-50807?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-50807 being exploited?
There is no known exploitation of CVE-2023-50807 in the wild and no public exploit code.
Sources
Also known as A-307538015, GHSA-wcpq-pw24-jxjp, PUB-A-307538015.