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. An intra-object overflow in the 5G MM message codec can occur due to insufficient parameter validation when decoding the Service Area List.
References (7)
Core 7
Core References
Various Sources
https://googleprojectzero.blogspot.com/2023/03/multiple-internet-to-baseband-remote-rce.html
Issue Tracking
https://project-zero.issues.chromium.org/issues/42451537
Exploit, Third Party Advisory
http://packetstormsecurity.com/files/171387/Shannon-Baseband-NrmmMsgCodec-Intra-Object-Overflow.html
Scores
CVSS v3
7.6
EPSS
0.0089
EPSS Percentile
75.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-120
Status
published
Products (9)
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
samsung/exynos_modem_5123_firmware
samsung/exynos_modem_5300_firmware
samsung/exynos_w920_firmware
Published
Mar 10, 2023
Tracked Since
Feb 18, 2026