CVE-2023-26076 Memory corruption in n/a
An intra-object overflow in Samsung Exynos 5G modem firmware allows attackers to execute arbitrary code or escalate privileges via malformed 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-2023-26076?
CVE-2023-26076 is a high-severity memory corruption vulnerability in Samsung Exynos 1280 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 1280, Exynos 2200, Exynos Modem 5123, Exynos Modem 5300, and Exynos Auto T5123. An intra-object overflow in the 5G SM message codec can occur due to insufficient parameter validation when decoding reserved options.
Weakness: CWE-120
Which versions are affected by CVE-2023-26076?
It affects 5 products.
Products include Samsung Exynos 1280 Firmware, Samsung Exynos 2200 Firmware, Samsung Exynos Auto T5123 Firmware, Samsung Exynos Modem 5123 Firmware, Samsung Exynos Modem 5300 Firmware.
How do I fix CVE-2023-26076?
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-2023-26076 being exploited?
There is no known exploitation of CVE-2023-26076 in the wild and no public exploit code.
Other vulnerabilities in Samsung Exynos 1280 Firmware
Sources
Also known as A-269656642, GHSA-64g2-hhj4-h788, PUB-A-269656642.