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",
      },
      osvSchema: {
         aliases: [
            "CVE-2022-35260",
         ],
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         id: "GSD-2022-35260",
         modified: "2023-12-13T01:19:33.549204Z",
         schema_version: "1.4.0",
      },
   },
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               },
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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 línea con 4095 letras de espacios consecutivos que no sean espacios en blanco y sin nueva línea, curl primero leerá más allá del final del búfer basado en pila y, si la lectura funciona, escribirá un byte cero más allá de su límite. En la mayoría de los casos, esto causará una falla de segmento o similar, pero las circunstancias también pueden causar resultados diferentes. Si un usuario malintencionado puede proporcionar un archivo netrc personalizado a una aplicación o afectar su contenido de otra manera, esta falla podría usarse como Denegación de Servicio (DoS).",
               },
            ],
            id: "CVE-2022-35260",
            lastModified: "2024-03-27T15:00:15.383",
            metrics: {
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                        attackComplexity: "LOW",
                        attackVector: "NETWORK",
                        availabilityImpact: "HIGH",
                        baseScore: 6.5,
                        baseSeverity: "MEDIUM",
                        confidentialityImpact: "NONE",
                        integrityImpact: "NONE",
                        privilegesRequired: "NONE",
                        scope: "UNCHANGED",
                        userInteraction: "REQUIRED",
                        vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
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}


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