FKIE_CVE-2021-42855

Vulnerability from fkie_nvd - Published: 2022-03-10 17:44 - Updated: 2024-11-21 06:28
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent (DSA) uses the ".debug_command.config" file to store a json string that contains a list of IDs and pre-configured commands. The config file is subsequently used by the "/api/appInternals/1.0/agent/configuration" API to map the corresponding ID to a command to be executed.
References
cve_disclosure@tech.gov.sghttps://aternity.force.com/customersuccess/s/article/Local-privilege-escalation-due-to-misconfigured-write-permission-on-debug-command-config-file-CVE-2021-42855Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://aternity.force.com/customersuccess/s/article/Local-privilege-escalation-due-to-misconfigured-write-permission-on-debug-command-config-file-CVE-2021-42855Third Party Advisory
Impacted products
Vendor Product Version
riverbed steelcentral_appinternals_dynamic_sampling_agent *
riverbed steelcentral_appinternals_dynamic_sampling_agent *
riverbed steelcentral_appinternals_dynamic_sampling_agent 10.0.0
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:riverbed:steelcentral_appinternals_dynamic_sampling_agent:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "FA9EBF00-4071-41C0-B05A-D942ACAB5F1A",
              "versionEndExcluding": "11.8.8",
              "versionStartIncluding": "11.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:riverbed:steelcentral_appinternals_dynamic_sampling_agent:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "021DA9F8-778D-485D-9F4C-395A44F1DFC7",
              "versionEndExcluding": "12.13.0",
              "versionStartIncluding": "12.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:riverbed:steelcentral_appinternals_dynamic_sampling_agent:10.0.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "B0564060-A159-41DD-B5F0-C7212F1891E0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent (DSA) uses the \".debug_command.config\" file to store a json string that contains a list of IDs and pre-configured commands. The config file is subsequently used by the \"/api/appInternals/1.0/agent/configuration\" API to map the corresponding ID to a command to be executed."
    },
    {
      "lang": "es",
      "value": "Se ha detectado que el agente de muestreo din\u00e1mico (DSA) de SteelCentral AppInternals usa el archivo \".debug_command.config\" para almacenar una cadena json que contiene una lista de ID y comandos preconfigurados. El archivo de configuraci\u00f3n es usado posteriormente por la API \"/api/appInternals/1.0/agent/configuration\" para asignar el ID correspondiente a un comando a ejecutar"
    }
  ],
  "id": "CVE-2021-42855",
  "lastModified": "2024-11-21T06:28:14.067",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "cve_disclosure@tech.gov.sg",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-03-10T17:44:07.343",
  "references": [
    {
      "source": "cve_disclosure@tech.gov.sg",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://aternity.force.com/customersuccess/s/article/Local-privilege-escalation-due-to-misconfigured-write-permission-on-debug-command-config-file-CVE-2021-42855"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://aternity.force.com/customersuccess/s/article/Local-privilege-escalation-due-to-misconfigured-write-permission-on-debug-command-config-file-CVE-2021-42855"
    }
  ],
  "sourceIdentifier": "cve_disclosure@tech.gov.sg",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "cve_disclosure@tech.gov.sg",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-732"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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Detection rules are retrieved from Rulezet.