{
  "id": "CVE-2023-43644",
  "sourceIdentifier": "security-advisories@github.com",
  "published": "2023-09-25T20:15:11.977",
  "lastModified": "2023-09-26T15:45:28.193",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Sing-box is an open source proxy system. Affected versions are subject to an authentication bypass when specially crafted requests are sent to sing-box. This affects all SOCKS5 inbounds with user authentication and an attacker may be able to bypass authentication. Users are advised to update to sing-box 1.4.4 or to 1.5.0-rc.4. Users unable to update should not expose the SOCKS5 inbound to insecure environments."
    },
    {
      "lang": "es",
      "value": "Sing-box es un sistema proxy de c\u00f3digo abierto. Las versiones afectadas est\u00e1n sujetas a una omisi\u00f3n de autenticaci\u00f3n cuando se env\u00edan solicitudes especialmente manipuladas a sing-box. Esto afecta a todas las entradas de SOCKS5 con autenticaci\u00f3n de usuario y un atacante puede eludir la autenticaci\u00f3n. Se recomienda a los usuarios que actualicen a sing-box 1.4.4 o 1.5.0-rc.4. Los usuarios que no puedan actualizar no deben exponer el SOCKS5 entrante a entornos inseguros."
    }
  ],
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL"
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        "exploitabilityScore": 3.9,
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  "references": [
    {
      "url": "https://github.com/SagerNet/sing-box/security/advisories/GHSA-r5hm-mp3j-285g",
      "source": "security-advisories@github.com",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}