Products
MicroPython
- 1.22.2
Source
cna@vuldb.com
Tags
CVE-2024-8947 details
Last Modified : Sept. 17, 2024, 7:15 p.m.
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
| 1 | 2 | 3 | 4 | 5.6 | 6 | 7 | 8 | 9 | 10 |
|---|
Weakness
| Weakness | Name | Description |
|---|---|---|
| CWE-416 | Use After Free | Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. |
CVSS Data
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Base Score
5.6
Exploitability Score
2.2
Impact Score
3.4
Base Severity
MEDIUM
Vector String : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
References
| URL | Source |
|---|---|
| https://github.com/micropython/micropython/commit/4bed614e707c0644c06e117f848fa12605c711cd | cna@vuldb.com |
| https://github.com/micropython/micropython/issues/13283 | cna@vuldb.com |
| https://github.com/micropython/micropython/issues/13283#issuecomment-1918479709 | cna@vuldb.com |
| https://github.com/micropython/micropython/releases/tag/v1.23.0 | cna@vuldb.com |
| https://vuldb.com/?ctiid.277765 | cna@vuldb.com |
| https://vuldb.com/?id.277765 | cna@vuldb.com |
| https://vuldb.com/?submit.409316 | cna@vuldb.com |