CVE-2023-7152

critical

Description

A vulnerability, which was classified as critical, has been found in MicroPython 1.21.0/1.22.0-preview. Affected by this issue is the function poll_set_add_fd of the file extmod/modselect.c. The manipulation leads to use after free. The exploit has been disclosed to the public and may be used. The patch is identified as 8b24aa36ba978eafc6114b6798b47b7bfecdca26. It is recommended to apply a patch to fix this issue. VDB-249158 is the identifier assigned to this vulnerability.

References

https://vuldb.com/?id.249158

https://vuldb.com/?ctiid.249158

https://lists.fedoraproject.org/archives/list/[email protected]/message/TEK46QAJOXXDZOWOIE2YACUOCZFWOBCK/

https://lists.fedoraproject.org/archives/list/[email protected]/message/D3WWY5JY4RTJE25APB4REGDUDPATG6H7/

https://lists.fedoraproject.org/archives/list/[email protected]/message/4E2HYWCZB5R4SHY4SZZZSFDMD64N4SOZ/

https://github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdca26

Details

Source: Mitre, NVD

Published: 2023-12-29

Updated: 2024-04-11

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical