CVE-2024-8947

Description

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.

Risk Information

Base Score

8.1

MODERATE

Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score

Exploitation Probability

0.194

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2024-8946,CVE-2024-8947,CVE-2024-8948 are affected in Python-micropython-copy 3.3.3.post3	Windows
Vulnerabilities CVE-2024-8946,CVE-2024-8947,CVE-2024-8948 are affected in Python-micropython-io 0.1	Windows
Implementation of Python 3.x on microcontrollers and small embedded systems. (USN-7472-1) micropython_1.22.1+ds-1ubuntu0.24.10.1_amd64.deb	Linux
Vulnerabilities CVE-2024-8946,CVE-2024-8947,CVE-2024-8948 are affected in Python-micropython-copy for linux 3.3.3.post3	Linux
Vulnerabilities CVE-2024-8946,CVE-2024-8947,CVE-2024-8948 are affected in Python-micropython-io for linux 0.1	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234