pysec-2023-257
Vulnerability from pysec
Published
2023-12-29 05:15
Modified
2024-02-29 07:20
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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 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.

Aliases


To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "micropython-io",
        "purl": "pkg:pypi/micropython-io"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8b24aa36ba978eafc6114b6798b47b7bfecdca26"
            }
          ],
          "repo": "https://github.com/jimmo/micropython",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0.1",
        "0.0.2",
        "0.0.3",
        "0.1"
      ]
    }
  ],
  "aliases": [
    "CVE-2023-7152"
  ],
  "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 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.",
  "id": "PYSEC-2023-257",
  "modified": "2024-02-29T07:20:31.603749+00:00",
  "published": "2023-12-29T05:15:00+00:00",
  "references": [
    {
      "type": "WEB",
      "url": "https://vuldb.com/?id.249158"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/?id.249158"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?ctiid.249158"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/?ctiid.249158"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/micropython/micropython/issues/12887"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/micropython/micropython/issues/12887"
    },
    {
      "type": "FIX",
      "url": "https://github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdca26"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.