CVE-2023-7152

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Source
https://nvd.nist.gov/vuln/detail/CVE-2023-7152
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-7152.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-7152
Aliases
Downstream
Published
2023-12-29T05:15:09Z
Modified
2025-10-25T12:19:30.230531Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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 pollsetadd_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

Affected packages

Git / github.com/jimmo/micropython

Affected ranges

Type
GIT
Repo
https://github.com/jimmo/micropython
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
8b24aa36ba978eafc6114b6798b47b7bfecdca26

Affected versions

v1.*

v1.0
v1.0-rc1
v1.0.1
v1.1
v1.1.1
v1.2
v1.3
v1.3.1
v1.3.10
v1.3.2
v1.3.3
v1.3.4
v1.3.5
v1.3.6
v1.3.7
v1.3.8
v1.3.9
v1.4
v1.4.1
v1.4.2
v1.4.3
v1.4.4
v1.4.5
v1.4.6
v1.5
v1.5.1
v1.5.2
v1.6
v1.7
v1.8
v1.8.1
v1.8.2
v1.8.3
v1.8.4
v1.8.5
v1.8.6
v1.8.7
v1.9
v1.9.1
v1.9.2
v1.9.3

Database specific

vanir_signatures

[
    {
        "id": "CVE-2023-7152-25f6c61c",
        "target": {
            "file": "extmod/modselect.c"
        },
        "signature_version": "v1",
        "digest": {
            "line_hashes": [
                "100514678993952764631001232513906537474",
                "184635985177277776058266799635677985380",
                "164230940075714143062822397552674040199",
                "228660635332080749222774965009048948408",
                "28995778423837000612302589737259141075",
                "18652610911259546864168799773277061273",
                "286860532521091533751639708115663559090",
                "224462232164678787202293072350156611568",
                "240308530618914926892437594634708463221",
                "84432039754077587633886216482598820342",
                "268424210313647838700403150769473988174",
                "321210418996263357512097437121534983644"
            ],
            "threshold": 0.9
        },
        "deprecated": false,
        "source": "https://github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdca26",
        "signature_type": "Line"
    },
    {
        "id": "CVE-2023-7152-b41c5cce",
        "target": {
            "function": "poll_set_add_fd",
            "file": "extmod/modselect.c"
        },
        "signature_version": "v1",
        "digest": {
            "length": 591.0,
            "function_hash": "160868559766814285633166252859406262810"
        },
        "deprecated": false,
        "source": "https://github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdca26",
        "signature_type": "Function"
    }
]

Git / github.com/jimmo/micropython

Affected ranges

Type
GIT
Repo
https://github.com/micropython/micropython
Events
Introduced
0 Unknown introduced commit / All previous commits are affected