gsd-2022-35260
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
curl can be told to parse a `.netrc` file for credentials. If that file endsin a line with 4095 consecutive non-white space letters and no newline, curlwould first read past the end of the stack-based buffer, and if the readworks, write a zero byte beyond its boundary.This will in most cases cause a segfault or similar, but circumstances might also cause different outcomes.If a malicious user can provide a custom netrc file to an application or otherwise affect its contents, this flaw could be used as denial-of-service.
Aliases
Aliases
CVE-2022-35260


To clipboard 

{
  "GSD": {
    "alias": "CVE-2022-35260",
    "id": "GSD-2022-35260",
    "references": [
      "https://www.suse.com/security/cve/CVE-2022-35260.html",
      "https://ubuntu.com/security/CVE-2022-35260"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
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      "id": "GSD-2022-35260",
      "modified": "2023-12-13T01:19:33.549204Z",
      "schema_version": "1.4.0"
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            "value": "Se puede indicar a curl que analice un archivo `.netrc` en busca de credenciales. Si ese archivo termina en una l\u00ednea con 4095 letras de espacios consecutivos que no sean espacios en blanco y sin nueva l\u00ednea, curl primero leer\u00e1 m\u00e1s all\u00e1 del final del b\u00fafer basado en pila y, si la lectura funciona, escribir\u00e1 un byte cero m\u00e1s all\u00e1 de su l\u00edmite. En la mayor\u00eda de los casos, esto causar\u00e1 una falla de segmento o similar, pero las circunstancias tambi\u00e9n pueden causar resultados diferentes. Si un usuario malintencionado puede proporcionar un archivo netrc personalizado a una aplicaci\u00f3n o afectar su contenido de otra manera, esta falla podr\u00eda usarse como Denegaci\u00f3n de Servicio (DoS)."
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        "lastModified": "2024-03-27T15:00:15.383",
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                "baseScore": 6.5,
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                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
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  }
}


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