CVE-2024-8948 – micropython-os

Package

Manager: pip
Name: micropython-os
Vulnerable Version: >=0 <=0.8

Severity

Level: Medium

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.00089 pctl0.26285

Details

heap-buffer-overflow in MicroPython A vulnerability was found in MicroPython 1.23.0. It has been rated as critical. Affected by this issue is the function mpz_as_bytes of the file py/objint.c. The manipulation leads to heap-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The patch is identified as 908ab1ceca15ee6fd0ef82ca4cba770a3ec41894. It is recommended to apply a patch to fix this issue. In micropython objint component, converting zero from int to bytes leads to heap buffer-overflow-write at mpz_as_bytes.

Metadata

Created: 2024-09-17T21:30:32Z
Modified: 2024-09-24T17:34:09Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/09/GHSA-vh3x-525m-jp4r/GHSA-vh3x-525m-jp4r.json
CWE IDs: ["CWE-122", "CWE-787"]
Alternative ID: GHSA-vh3x-525m-jp4r
Finding: F111
Auto approve: 1