GSD-2021-42376

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
A NULL pointer dereference in Busybox's hush applet leads to denial of service when processing a crafted shell command, due to missing validation after a \x03 delimiter character. This may be used for DoS under very rare conditions of filtered command input.
Aliases
Aliases

{
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    "alias": "CVE-2021-42376",
    "description": "A NULL pointer dereference in Busybox\u0027s hush applet leads to denial of service when processing a crafted shell command, due to missing validation after a \\x03 delimiter character. This may be used for DoS under very rare conditions of filtered command input.",
    "id": "GSD-2021-42376",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-42376.html",
      "https://advisories.mageia.org/CVE-2021-42376.html",
      "https://security.archlinux.org/CVE-2021-42376",
      "https://alas.aws.amazon.com/cve/html/CVE-2021-42376.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
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        "CVE-2021-42376"
      ],
      "details": "A NULL pointer dereference in Busybox\u0027s hush applet leads to denial of service when processing a crafted shell command, due to missing validation after a \\x03 delimiter character. This may be used for DoS under very rare conditions of filtered command input.",
      "id": "GSD-2021-42376",
      "modified": "2023-12-13T01:23:06.814214Z",
      "schema_version": "1.4.0"
    }
  },
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            "accessVector": "LOCAL",
            "authentication": "NONE",
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            "baseScore": 5.5,
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            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
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            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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      },
      "lastModifiedDate": "2023-04-25T21:15Z",
      "publishedDate": "2021-11-15T21:15Z"
    }
  }
}



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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

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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