CVE-2023-7152

MicroPython modselect.c poll_set_add_fd use after free

CVSS 5.5 MEDIUMEPSS 0.9%CWE-416

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.5EPSS 0.9%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

29 Dec 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

n/a · MicroPython

References

https://github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdca26 https://github.com/micropython/micropython/issues/12887 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4E2HYWCZB5R4SHY4SZZZSFDMD64N4SOZ/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D3WWY5JY4RTJE25APB4REGDUDPATG6H7/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TEK46QAJOXXDZOWOIE2YACUOCZFWOBCK/https://vuldb.com/?ctiid.249158 https://vuldb.com/?id.249158