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Affected Component
Analysis
micropython
Patched
Name
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.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
https://vuldb.com/?ctiid.277765Permissions Required
https://vuldb.com/?id.277765Third Party Advisory
https://vuldb.com/?submit.409316Third Party Advisory
Analysis#
Vulnerability Ratings#
6.3
CVSSv4
5.6
CVSSv31
8.1
CVSSv31
5.1
CVSSv2
NaN
other
Others affected components#
Resolved with patches#
micropython (buildroot:2025.02.x)
#
Title
Author
Resolve
1
py/objarray: Fix use-after-free if extending a bytearray from
Angus Gratton <angus@redyak.com.au>
CVE-2024-8947