Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Micropython | Micropython | 1.22.2 |
Related Weaknesses (CWE)
References
- https://github.com/micropython/micropython/commit/4bed614e707c0644c06e117f848fa1Patch
- https://github.com/micropython/micropython/issues/13283ExploitThird Party Advisory
- https://github.com/micropython/micropython/issues/13283#issuecomment-1918479709ExploitThird Party Advisory
- https://github.com/micropython/micropython/releases/tag/v1.23.0Release Notes
- https://vuldb.com/?ctiid.277765Permissions Required
- https://vuldb.com/?id.277765Third Party Advisory
- https://vuldb.com/?submit.409316Third Party Advisory
FAQ
What is CVE-2024-8947?
CVE-2024-8947 is a vulnerability with a CVSS score of 5.6 (MEDIUM). 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...
How severe is CVE-2024-8947?
CVE-2024-8947 has been rated MEDIUM with a CVSS base score of 5.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-8947?
Check the references section above for vendor advisories and patch information. Affected products include: Micropython Micropython.