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CVE-2022-48303

Estado: ModificadaMedia (5.5)—

GNU Tar through 1.34 has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump. Exploitation to change the flow of control has not been demonstrated. The issue occurs in from_header in list.c via a V7 archive in which mtime has approximately 11 whitespace characters.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Fedoraproject — FedoraGNU — TAR

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2022-48303",
  "cveTags": [],
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          "id": "CVE-2022-48303",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
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              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2025-03-27T20:34:11.069640Z"
        }
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
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          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
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  "published": "2023-01-30T04:15:08.030",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-125"
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    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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      "lang": "en",
      "value": "GNU Tar through 1.34 has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump. Exploitation to change the flow of control has not been demonstrated. The issue occurs in from_header in list.c via a V7 archive in which mtime has approximately 11 whitespace characters."
    },
    {
      "lang": "es",
      "value": "GNU Tar hasta 1.34 tiene una lectura fuera de los límites de un byte que resulta en el uso de memoria no inicializada para un salto condicional. No se ha demostrado explotación para cambiar el flujo de control. El problema ocurre en from_header en list.c a través de un archivo V7 en el que mtime tiene aproximadamente 11 caracteres de espacio en blanco."
    }
  ],
  "lastModified": "2026-06-17T05:14:57.703",
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