CVE-2023-26076: Critical severity samsung exynos 1280 firmware vulnerability

Published Mar 13, 2023
·
Updated

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.

Affected Software

20 affected components
Samsung Exynos 1280 Firmware
Samsung Exynos 1280
Samsung Exynos 2200 Firmware
Samsung Exynos 2200
Samsung Exynos Modem 5123 Firmware
Samsung Exynos Modem 5123
Samsung Exynos Modem 5300 Firmware
Samsung Exynos Modem 5300
Samsung Exynos Auto T5123 Firmware
Samsung Exynos Auto T5123
All of the following
Samsung Exynos 1280 Firmware
Samsung Exynos 1280
All of the following
Samsung Exynos 2200 Firmware
Samsung Exynos 2200
All of the following
Samsung Exynos Modem 5123 Firmware
Samsung Exynos Modem 5123
All of the following
Samsung Exynos Modem 5300 Firmware
Samsung Exynos Modem 5300
All of the following
Samsung Exynos Auto T5123 Firmware
Samsung Exynos Auto T5123

Event History

Mar 13, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverity
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Frequently Asked Questions

1

What is CVE-2023-26076?

CVE-2023-26076 is an issue 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 option.

2

How severe is CVE-2023-26076?

CVE-2023-26076 is classified as a critical vulnerability with a severity score of 9.8 out of 10.

3

Which software versions are affected by CVE-2023-26076?

CVE-2023-26076 affects Samsung Exynos 1280 Firmware, Samsung Exynos 2200 Firmware, Samsung Exynos Modem 5123 Firmware, Samsung Exynos Modem 5300 Firmware, and Samsung Exynos Auto T5123 Firmware.

4

How can I fix CVE-2023-26076?

There is no specific fix available for CVE-2023-26076 at the moment. It is recommended to follow the guidance provided by Samsung and apply any security patches or updates they release.

5

Where can I find more information about CVE-2023-26076?

You can find more information about CVE-2023-26076 at the following references: [Packet Storm Security](http://packetstormsecurity.com/files/171400/Shannon-Baseband-NrSmPcoCodec-Intra-Object-Overflow.html), [Google Project Zero](https://googleprojectzero.blogspot.com/2023/03/multiple-internet-to-baseband-remote-rce.html), [Samsung Semiconductor](https://semiconductor.samsung.com/processor/mobile-processor/).

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