CVE-2022-25333: Flawed SK_LOAD module authenticity check in Texas Instruments OMAP L138
First published: Thu Oct 19 2023(Updated: )
The Texas Instruments OMAP L138 (secure variants) trusted execution environment (TEE) performs an RSA check implemented in mask ROM when loading a module through the SK_LOAD routine. However, only the module header authenticity is validated. An adversary can re-use any correctly signed header and append a forged payload, to be encrypted using the CEK (obtainable through CVE-2022-25332) in order to obtain arbitrary code execution in secure context. This constitutes a full break of the TEE security architecture.
Credit: cert@ncsc.nl cert@ncsc.nl
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ti Omap L138 Firmware | ||
| Ti Omap L138 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2022-25333.
What is the severity of CVE-2022-25333?
The severity of CVE-2022-25333 is high with a severity value of 8.2.
What software is affected by CVE-2022-25333?
The Ti Omap L138 Firmware is affected by CVE-2022-25333.
How does CVE-2022-25333 exploit the vulnerability?
CVE-2022-25333 exploits the vulnerability by re-using any correctly signed header and applying malicious payload.
Is Ti Omap L138 vulnerable to CVE-2022-25333?
No, Ti Omap L138 is not vulnerable to CVE-2022-25333.
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