CVE-2022-26942
Multiple missing pointer validation checks in trusted execution module in Motorola MTM5000
CVSS Score
8.2
EPSS Score
0.0%
EPSS Percentile
0th
The Motorola MTM5000 series firmwares lack pointer validation on arguments passed to trusted execution environment (TEE) modules. Two modules are used, one responsible for KVL key management and the other for TETRA cryptographic functionality. In both modules, an adversary with non-secure supervisor level code execution can exploit the issue in order to gain secure supervisor code execution within the TEE. This constitutes a full break of the TEE module, exposing the device key as well as any TETRA cryptographic keys and the confidential TETRA cryptographic primitives.
| CWE | CWE-822 |
| Vendor | motorola |
| Product | mobile radio |
| Published | Oct 19, 2023 |
| Last Updated | Aug 3, 2024 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:F/RL:U/RC:C/CR:X/IR:X/AR:X/MAV:L/MAC:L/MPR:H/MUI:N/MS:C/MC:H/MI:H/MA:H Attack Vector
Local
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Motorola / Mobile Radio
MTM5000
Credits
Midnight Blue