PYSEC-2024-94

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Import Source
https://github.com/pypa/advisory-database/blob/main/vulns/micropython-io/PYSEC-2024-94.yaml
JSON Data
https://api.osv.dev/v1/vulns/PYSEC-2024-94
Aliases
Published
2024-09-17T19:15:00Z
Modified
2024-09-25T18:27:01.853486Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

PyPI / micropython-io

Package

Affected ranges

Type
GIT
Repo
https://github.com/micropython/micropython
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.0.1
0.0.2
0.0.3
0.1