Vulnerability Details : CVE-2023-26076
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.
Vulnerability category: Overflow
Products affected by CVE-2023-26076
- cpe:2.3:o:samsung:exynos_1280_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:samsung:exynos_2200_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:samsung:exynos_modem_5123_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:samsung:exynos_modem_5300_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:samsung:exynos_auto_t5123_firmware:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-26076
0.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 59 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-26076
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.6
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H |
2.8
|
4.7
|
MITRE | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2023-26076
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-26076
-
https://semiconductor.samsung.com/support/quality-support/product-security-updates/
Product Security Update | Support | Samsung Semiconductor GlobalVendor Advisory
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https://semiconductor.samsung.com/processor/mobile-processor/
Exynos Mobile Processor | Samsung Semiconductor GlobalProduct
-
http://packetstormsecurity.com/files/171400/Shannon-Baseband-NrSmPcoCodec-Intra-Object-Overflow.html
Shannon Baseband NrSmPcoCodec Intra-Object Overflow ≈ Packet Storm
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https://semiconductor.samsung.com/processor/modem/
Modem | Processor | Samsung Semiconductor GlobalProduct
-
https://googleprojectzero.blogspot.com/2023/03/multiple-internet-to-baseband-remote-rce.html
Project Zero: Multiple Internet to Baseband Remote Code Execution Vulnerabilities in Exynos Modems
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