CVE-2024-8946

Katalog CVE

CVSS 7.5 · High EPSS 1,0%

Kerentanan Heap-based Buffer Overflow pada micropython. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

A vulnerability was found in MicroPython 1.23.0. It has been classified as critical. Affected is the function mp_vfs_umount of the file extmod/vfs.c of the component VFS Unmount Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 29943546343c92334e8518695a11fc0e2ceea68b. It is recommended to apply a patch to fix this issue. In the VFS unmount process, the comparison between the mounted path string and the unmount requested string is based solely on the length of the unmount string, which can lead to a heap buffer overflow read.

Rincian

Terbit di NVD

17 September 2024

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-122: Heap-based Buffer Overflow
CWE-787: Out-of-bounds Write

EPSS (30 hari)

1,0% peluang dieksploitasi; lebih tinggi dari 62,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/micropython/micropython/commit/29943546343c92334e8518695a11fc0e2ceea68b patch
• https://github.com/micropython/micropython/issues/13006#issuecomment-1820309455 exploit · advisory pihak ketiga
• https://vuldb.com/?id.277764 advisory pihak ketiga
• https://vuldb.com/?submit.409312 advisory pihak ketiga
• https://github.com/micropython/micropython/issues/13006 exploit · issue tracking
• https://vuldb.com/?ctiid.277764 permissions required