CVE-2023-26073: Buffer Overflow
First published: Mon Mar 13 2023(Updated: )
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 the extended emergency number list.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Samsung Exynos 850 Firmware | ||
| Samsung Exynos 850 | ||
| Samsung Exynos 980 Firmware | ||
| Samsung Exynos 980 | ||
| Samsung Exynos 1080 Firmware | ||
| Samsung Exynos 1080 | ||
| 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 | ||
| Samsung Exynos W920 Firmware | ||
| Samsung Exynos W920 |
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Reference Links
- http://packetstormsecurity.com/files/171380/Shannon-Baseband-NrmmMsgCodec-Extended-Emergency-Number-List-Heap-Buffer-Overflow.html
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2396
- https://googleprojectzero.blogspot.com/2023/03/multiple-internet-to-baseband-remote-rce.html
- https://semiconductor.samsung.com/processor/mobile-processor/
- https://semiconductor.samsung.com/processor/modem/
- https://semiconductor.samsung.com/support/quality-support/product-security-updates/
Frequently Asked Questions
What is CVE-2023-26073?
CVE-2023-26073 is an issue in Samsung Mobile Chipset and Baseband Modem Chipset for various Exynos models that allows for a heap-based buffer overflow in the 5G MM message codec.
Which software versions are affected by CVE-2023-26073?
CVE-2023-26073 affects Samsung Exynos 850 Firmware, Samsung Exynos 980 Firmware, Samsung Exynos 1080 Firmware, Samsung Exynos 1280 Firmware, Samsung Exynos 2200 Firmware, Samsung Exynos Modem 5123 Firmware, Samsung Exynos Modem 5300 Firmware, and Samsung Exynos Auto T5123 Firmware.
What is the severity of CVE-2023-26073?
CVE-2023-26073 has a severity rating of 9.8 (Critical).
How can I fix CVE-2023-26073?
To fix CVE-2023-26073, it is recommended to apply the latest firmware updates provided by Samsung for the affected Exynos chipsets and baseband modems.
Where can I find more information about CVE-2023-26073?
You can find more information about CVE-2023-26073 at the following references: [Reference 1](http://packetstormsecurity.com/files/171380/Shannon-Baseband-NrmmMsgCodec-Extended-Emergency-Number-List-Heap-Buffer-Overflow.html), [Reference 2](https://bugs.chromium.org/p/project-zero/issues/detail?id=2396), [Reference 3](https://googleprojectzero.blogspot.com/2023/03/multiple-internet-to-baseband-remote-rce.html).
- collector/nvd-index
- vendor/samsung
- canonical/samsung exynos 850 firmware
- canonical/samsung exynos 850
- canonical/samsung exynos 980 firmware
- canonical/samsung exynos 980
- canonical/samsung exynos 1080 firmware
- canonical/samsung exynos 1080
- canonical/samsung exynos 1280 firmware
- canonical/samsung exynos 1280
- canonical/samsung exynos 2200 firmware
- canonical/samsung exynos 2200
- canonical/samsung exynos modem 5123 firmware
- canonical/samsung exynos modem 5123
- canonical/samsung exynos modem 5300 firmware
- canonical/samsung exynos modem 5300
- canonical/samsung exynos auto t5123 firmware
- canonical/samsung exynos auto t5123
- canonical/samsung exynos w920 firmware
- canonical/samsung exynos w920