CVE-2023-26074 Memory corruption in n/a
Heap-based buffer overflow in Samsung Exynos 5G modem allows attackers to execute arbitrary code or escalate privileges via crafted messages.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-26074?
CVE-2023-26074 is a high-severity memory corruption vulnerability in Samsung Exynos 1080 Firmware, published on 13 Mar 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos 850, Exynos 980, Exynos 1080, Exynos 1280, Exynos 2200, Exynos Modem 5123, Exynos Modem 5300, and Exynos Auto T5123.. A heap-based buffer overflow in the 5G MM message codec can occur due to insufficient parameter validation when decoding operator-defined access category definitions.
Weakness: CWE-787
Which versions are affected by CVE-2023-26074?
It affects 9 products.
Products include Samsung Exynos 1080 Firmware, Samsung Exynos 1280 Firmware, Samsung Exynos 2200 Firmware, Samsung Exynos 850 Firmware, Samsung Exynos 980 Firmware, Samsung Exynos Auto T5123 Firmware and 3 more.
How do I fix CVE-2023-26074?
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-2023-26074 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-26074 exists.
Other vulnerabilities in Samsung Exynos 1080 Firmware
Sources
Also known as A-269656636, GHSA-29ph-8jj3-f6p6, PUB-A-269656636.