VulnerabilityModified
CVE-2023-26076
An intra-object overflow in the 5G SM message codec can occur due to insufficient parameter validation when decoding reserved options.
CRITICAL 9.8EPSS 0.93%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.93% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- samsung/exynos 1280 firmware · samsung/exynos 2200 firmware · samsung/exynos modem 5123 firmware · samsung/exynos modem 5300 firmware · samsung/exynos auto t5123 firmware
- Source
- cve@mitre.org
References
- http://packetstormsecurity.com/files/171400/Shannon-Baseband-NrSmPcoCodec-Intra-Object-Overflow.html
- https://googleprojectzero.blogspot.com/2023/03/multiple-internet-to-baseband-remote-rce.html
- https://semiconductor.samsung.com/processor/mobile-processor/Product
- https://semiconductor.samsung.com/processor/modem/Product
- https://semiconductor.samsung.com/support/quality-support/product-security-updates/Vendor Advisory
- http://packetstormsecurity.com/files/171400/Shannon-Baseband-NrSmPcoCodec-Intra-Object-Overflow.html
- https://googleprojectzero.blogspot.com/2023/03/multiple-internet-to-baseband-remote-rce.html
- https://semiconductor.samsung.com/processor/mobile-processor/Product
- https://semiconductor.samsung.com/processor/modem/Product
- https://semiconductor.samsung.com/support/quality-support/product-security-updates/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.