CVE-2023-7152 — MEDIUM (5.5)

Vulnerability 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.

CVSS Score

5.5

MEDIUM

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Micropython	Micropython	1.21.0

Related Weaknesses (CWE)

CWE-416

References

https://github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdPatch
https://github.com/micropython/micropython/issues/12887ExploitIssue Tracking
https://lists.fedoraproject.org/archives/list/[email protected]
https://lists.fedoraproject.org/archives/list/[email protected]
https://lists.fedoraproject.org/archives/list/[email protected]
https://vuldb.com/?ctiid.249158Permissions RequiredThird Party AdvisoryVDB Entry
https://vuldb.com/?id.249158Third Party AdvisoryVDB Entry
https://github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdPatch
https://github.com/micropython/micropython/issues/12887ExploitIssue Tracking
https://lists.fedoraproject.org/archives/list/[email protected]
https://lists.fedoraproject.org/archives/list/[email protected]
https://lists.fedoraproject.org/archives/list/[email protected]
https://vuldb.com/?ctiid.249158Permissions RequiredThird Party AdvisoryVDB Entry
https://vuldb.com/?id.249158Third Party AdvisoryVDB Entry

FAQ

What is CVE-2023-7152?

CVE-2023-7152 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 manip...

How severe is CVE-2023-7152?

CVE-2023-7152 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-7152?

Check the references section above for vendor advisories and patch information. Affected products include: Micropython Micropython.