A vulnerability was found in MicroPython 1.22.2. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file py/objarray.c. The manipulation leads to use a
A vulnerability was found in MicroPython 1.22.2. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file py/objarray.c. The manipulation leads to use after free. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. Upgrading to version 1.23.0 is able to address this issue. The identifier of the patch is 4bed614e707c0644c06e117f848fa12605c711cd. It is recommended to upgrade the affected component. In micropython objarray component, when a bytes object is resized and copied into itself, it may reference memory that has already been freed.
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Python (PyPI) | micropython-copy | todas las versiones | sin corrección |
| Python (PyPI) | micropython-io | todas las versiones | sin corrección |
Referencias
- https://nvd.nist.gov/vuln/detail/CVE-2024-8947
- https://github.com/micropython/micropython/issues/13283
- https://github.com/micropython/micropython/issues/13283#issuecomment-1918479709
- https://github.com/micropython/micropython/commit/4bed614e707c0644c06e117f848fa12605c711cd
- https://github.com/micropython/micropython/releases/tag/v1.23.0
- https://github.com/pypa/advisory-database/tree/main/vulns/micropython-copy/PYSEC-2024-92.yaml
- https://github.com/pypa/advisory-database/tree/main/vulns/micropython-io/PYSEC-2024-94.yaml
- https://vuldb.com/?ctiid.277765
- https://vuldb.com/?id.277765
- https://vuldb.com/?submit.409316
- https://github.com/advisories/GHSA-pwwp-3q7j-9mx8
- Vector CVSS
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H- Debilidad (CWE)
CWE-416- Plataforma
- Python (PyPI)
- Paquete
micropython-copy, micropython-io- Publicada
- 17.09.2024
- Actualizado
- 11.10.2026 12:20
Fuentes y licencias
OSV / GitHub Advisory Database - PYSEC-2024-92 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-pwwp-3q7j-9mx8 - CC BY 4.0
OSV / GitHub Advisory Database - PYSEC-2024-94 - PyPA Advisory Database; CC BY 4.0
Historial de vulnerabilidades: micropython-io
Todas las vulnerabilidades publicadas de este paquete (Python (PyPI)), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 4
- Primera → última
- 12.2023 09.2024
- Sin corrección
- 4
- Explotada en ataques
- 0
Distribución por gravedad
- Crítica 1
- Alta 3
Divulgaciones por año
- 2023: 1
- 2024: 3
- 2025: 0
- 2026: 0
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A vulnerability was found in MicroPython 1.22.2. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file py/objarray.c. The manipulation leads to use a esta entrada
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