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CVE-2024-28183

Status: AnalyzedMedium (5.7)—

ESP-IDF is the development framework for Espressif SoCs supported on Windows, Linux and macOS. A Time-of-Check to Time-of-Use (TOCTOU) vulnerability was discovered in the implementation of the ESP-IDF bootloader which could allow an attacker with physical access to flash of the device to bypass anti-rollback protection. Anti-rollback prevents rollback to application with security version lower than one programmed in eFuse of chip.

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This attack can allow to boot past (passive) application partition having lower security version of the same device even in the presence of the flash encryption scheme. The attack requires carefully modifying the flash contents after the anti-rollback checks have been performed by the bootloader (before loading the application). The vulnerability is fixed in 4.4.7 and 5.2.1.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Espressif — Esp-idf

CWEs

References

Raw JSON (NVD)

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      "value": "ESP-IDF is the development framework for Espressif SoCs supported on Windows, Linux and macOS. A Time-of-Check to Time-of-Use (TOCTOU) vulnerability was discovered in the implementation of the ESP-IDF bootloader which could allow an attacker with physical access to flash of the device to bypass anti-rollback protection. Anti-rollback prevents rollback to application with security version lower than one programmed in eFuse of chip. This attack can allow to boot past (passive) application partition having lower security version of the same device even in the presence of the flash encryption scheme. The attack requires carefully modifying the flash contents after the anti-rollback checks have been performed by the bootloader (before loading the application). The vulnerability is fixed in 4.4.7 and 5.2.1."
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      "value": "ESP-IDF es el framework de desarrollo para los SoC de Espressif compatibles con Windows, Linux y macOS. Se descubrió una vulnerabilidad de tiempo de verificación a tiempo de uso (TOCTOU) en la implementación del gestor de arranque ESP-IDF que podría permitir a un atacante con acceso físico a la memoria flash del dispositivo eludir la protección anti-retroceso. Anti-rollback evita el retroceso a una aplicación con una versión de seguridad inferior a la programada en eFuse del chip. Este ataque puede permitir arrancar más allá de la partición de la aplicación (pasiva) que tiene una versión de menor seguridad del mismo dispositivo, incluso en presencia del esquema de cifrado flash. El ataque requiere modificar cuidadosamente el contenido flash después de que el gestor de arranque haya realizado las comprobaciones anti-retroceso (antes de cargar la aplicación). La vulnerabilidad se solucionó en 4.4.7 y 5.2.1."
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