CVE-2023-7152

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.

Affected packages (4)

• PyPI/micropython-copyfrom 0, < 8b24aa36ba978eafc6114b6798b47b7bfecdca26 | from 0
• PyPI/micropython-iofrom 0, < 8b24aa36ba978eafc6114b6798b47b7bfecdca26 | from 0
• PyPI/micropython-osfrom 0, < 8b24aa36ba978eafc6114b6798b47b7bfecdca26 | from 0
• PyPI/micropython-selectfrom 0, < 8b24aa36ba978eafc6114b6798b47b7bfecdca26 | from 0

CVSS scores

References (4)

• ADVISORYhttps://vuldb.com/?ctiid.249158
• ADVISORYhttps://vuldb.com/?id.249158
• PATCHhttps://github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdca26
• REPORThttps://github.com/micropython/micropython/issues/12887