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CVE-2024-8948

Estado: AnalizadaMedia (6.9)—

A vulnerability was found in MicroPython 1.23.0. It has been rated as critical. Affected by this issue is the function mpz_as_bytes of the file py/objint.c. The manipulation leads to heap-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The patch is identified as 908ab1ceca15ee6fd0ef82ca4cba770a3ec41894. It is recommended to apply a patch to fix this issue. In micropython objint component, converting zero from int to bytes leads to heap buffer-overflow-write at mpz_as_bytes.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Micropython — Micropython

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2024-8948",
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      "value": "A vulnerability was found in MicroPython 1.23.0. It has been rated as critical. Affected by this issue is the function mpz_as_bytes of the file py/objint.c. The manipulation leads to heap-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The patch is identified as 908ab1ceca15ee6fd0ef82ca4cba770a3ec41894. It is recommended to apply a patch to fix this issue. In micropython objint component, converting zero from int to bytes leads to heap buffer-overflow-write at mpz_as_bytes."
    },
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      "lang": "es",
      "value": "Se encontró una vulnerabilidad en MicroPython 1.23.0. Se ha calificado como crítica. Este problema afecta a la función mpz_as_bytes del archivo py/objint.c. La manipulación provoca un desbordamiento del búfer en el montón. El ataque puede iniciarse de forma remota. El exploit se ha hecho público y puede utilizarse. El parche se identifica como 908ab1ceca15ee6fd0ef82ca4cba770a3ec41894. Se recomienda aplicar un parche para solucionar este problema. En el componente objint de micropython, la conversión de cero de int a bytes provoca un desbordamiento del búfer en el montón en mpz_as_bytes."
    }
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  "lastModified": "2026-06-17T08:23:36.783",
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