{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2024-4163"
      ],
      "details": "The Skylab IGX IIoT Gateway allowed users to connect to it via a limited shell terminal (IGX). However, it was discovered that the process was running under root privileges. This allowed the attacker to read, write, and modify any file in the operating system by utilizing the limited shell file exec and download functions. By replacing the /etc/passwd file with a new root user entry, the attacker was able to breakout from the limited shell and login to a unrestricted shell with root access. With the root access, the attacker will be able take full control of the IIoT Gateway.",
      "id": "GSD-2024-4163",
      "modified": "2024-04-25T05:02:08.576986Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve_disclosure@tech.gov.sg",
        "ID": "CVE-2024-4163",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "IIoT Gateway (IGX)",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "1.2.12"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Skylab"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "The Skylab IGX IIoT Gateway allowed users to connect to it via a limited shell terminal (IGX). However, it was discovered that the process was running under root privileges. This allowed the attacker to read, write, and modify any file in the operating system by utilizing the limited shell file exec and download functions. By replacing the /etc/passwd file with a new root user entry, the attacker was able to breakout from the limited shell and login to a unrestricted shell with root access. With the root access, the attacker will be able take full control of the IIoT Gateway."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.1.0-dev"
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Limited shell breakout leading to root access"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://govtech-csg.github.io/security-advisories/2024/04/25/CVE-2024-4163.html",
            "refsource": "MISC",
            "url": "https://govtech-csg.github.io/security-advisories/2024/04/25/CVE-2024-4163.html"
          }
        ]
      },
      "source": {
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "The Skylab IGX IIoT Gateway allowed users to connect to it via a limited shell terminal (IGX). However, it was discovered that the process was running under root privileges. This allowed the attacker to read, write, and modify any file in the operating system by utilizing the limited shell file exec and download functions. By replacing the /etc/passwd file with a new root user entry, the attacker was able to breakout from the limited shell and login to a unrestricted shell with root access. With the root access, the attacker will be able take full control of the IIoT Gateway."
          },
          {
            "lang": "es",
            "value": "El Skylab IGX IIoT Gateway permiti\u00f3 a los usuarios conectarse a \u00e9l a trav\u00e9s de un terminal shell limitado (IGX). Sin embargo, se descubri\u00f3 que el proceso se estaba ejecutando con privilegios de root. Esto permiti\u00f3 al atacante leer, escribir y modificar cualquier archivo en el sistema operativo utilizando las funciones limitadas de descarga y ejecuci\u00f3n de archivos de shell. Al reemplazar el archivo /etc/passwd con una nueva entrada de usuario root, el atacante pudo salir del shell limitado e iniciar sesi\u00f3n en un shell sin restricciones con acceso root. Con el acceso de root, el atacante podr\u00e1 tomar el control total de la puerta de enlace IIoT."
          }
        ],
        "id": "CVE-2024-4163",
        "lastModified": "2024-04-26T12:58:17.720",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "ADJACENT_NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.0,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 2.1,
              "impactScore": 5.9,
              "source": "cve_disclosure@tech.gov.sg",
              "type": "Secondary"
            }
          ]
        },
        "published": "2024-04-26T03:15:06.740",
        "references": [
          {
            "source": "cve_disclosure@tech.gov.sg",
            "url": "https://govtech-csg.github.io/security-advisories/2024/04/25/CVE-2024-4163.html"
          }
        ],
        "sourceIdentifier": "cve_disclosure@tech.gov.sg",
        "vulnStatus": "Awaiting Analysis"
      }
    }
  }
}