ubuntu-cve-2023-7152
Vulnerability from osv_ubuntu
Published
2023-12-29 05:15
Modified
2026-05-20 15:02
Summary
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.

Severity
5.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libgiac0",
            "binary_version": "1.2.3.57+dfsg1-2build3"
          },
          {
            "binary_name": "xcas",
            "binary_version": "1.2.3.57+dfsg1-2build3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "giac",
        "purl": "pkg:deb/ubuntu/giac@1.2.3.57+dfsg1-2build3?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.2.3.57+dfsg1-2build1",
        "1.2.3.57+dfsg1-2build2",
        "1.2.3.57+dfsg1-2build3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libgiac0",
            "binary_version": "1.5.0.85+dfsg1-3"
          },
          {
            "binary_name": "xcas",
            "binary_version": "1.5.0.85+dfsg1-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "giac",
        "purl": "pkg:deb/ubuntu/giac@1.5.0.85+dfsg1-3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.4.9.69+dfsg1-2build1",
        "1.5.0.85+dfsg1-2",
        "1.5.0.85+dfsg1-3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libgiac0",
            "binary_version": "1.7.0.39+dfsg2-1build2"
          },
          {
            "binary_name": "xcas",
            "binary_version": "1.7.0.39+dfsg2-1build2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "giac",
        "purl": "pkg:deb/ubuntu/giac@1.7.0.39+dfsg2-1build2?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.6.0.41+dfsg1-1",
        "1.7.0.39+dfsg2-1build1",
        "1.7.0.39+dfsg2-1build2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libgiac0t64",
            "binary_version": "1.9.0.93+dfsg2-2"
          },
          {
            "binary_name": "xcas",
            "binary_version": "1.9.0.93+dfsg2-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "giac",
        "purl": "pkg:deb/ubuntu/giac@1.9.0.93+dfsg2-2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.9.0.35+dfsg2-1.1",
        "1.9.0.59+dfsg2-1",
        "1.9.0.69+dfsg2-1",
        "1.9.0.93+dfsg2-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libgiac0t64",
            "binary_version": "1.9.0.93+dfsg2-3build1"
          },
          {
            "binary_name": "xcas",
            "binary_version": "1.9.0.93+dfsg2-3build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "giac",
        "purl": "pkg:deb/ubuntu/giac@1.9.0.93+dfsg2-3build1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.9.0.93+dfsg2-3build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libgiac0t64",
            "binary_version": "1.9.0.93+dfsg2-3build2"
          },
          {
            "binary_name": "xcas",
            "binary_version": "1.9.0.93+dfsg2-3build2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "giac",
        "purl": "pkg:deb/ubuntu/giac@1.9.0.93+dfsg2-3build2?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.9.0.93+dfsg2-3build1",
        "1.9.0.93+dfsg2-3build2"
      ]
    }
  ],
  "aliases": [],
  "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": "UBUNTU-CVE-2023-7152",
  "modified": "2026-05-20T15:02:21Z",
  "published": "2023-12-29T05:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-7152"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/micropython/micropython/issues/12887"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdca26"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-7152"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-7152"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.