CVE-2024-25077
Critical
Description
An issue was discovered on Renesas SmartBond DA14691, DA14695, DA14697, and DA14699 devices. The Nonce used for on-the-fly decryption of flash images is stored in an unsigned header, allowing its value to be modified without invalidating the signature used for secureboot image verification. Because the encryption engine for on-the-fly decryption uses AES in CTR mode without authentication, an attacker-modified Nonce can result in execution of arbitrary code.
SeverityCritical
CVSS9.8
Exploit probability—
ProductRenesas Smartbond
PublishedJul 10, 2024
First seenJul 10, 2024
Weakness typeCWE-94Code injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| renesas smartbond_da14695 | da14695, da14691, da14697, da14699 | — |
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