{
  "id": "CVE-2017-9687",
  "sourceIdentifier": "product-security@qualcomm.com",
  "published": "2017-10-10T20:29:01.057",
  "lastModified": "2017-10-19T17:19:13.263",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, two concurrent threads/processes can write the value of \"0\" to the debugfs file that controls ipa ipc log which will lead to the double-free in ipc_log_context_destroy(). Another issue is the Use-After-Free which can happen due to the race condition when the ipc log is deallocated via the debugfs call during a log print."
    },
    {
      "lang": "es",
      "value": "En Android for MSM, Firefox OS for MSM, QRD Android con todas las versiones de Android desde CAF usando el kernel de Linux, dos hilos/procesos concurrentes pueden escribir el valor de \"0\" en el archivo debugfs que controla el registro ipa ipc, que llevar\u00e1 a una doble liberaci\u00f3n (double free) en ipc_log_context_destroy(). Otro problema es el uso de memoria previamente liberada, que puede ocurrir debido a la condici\u00f3n de carrera cuando el registro ipc se desasigna mediante la llamada debugfs durante una impresi\u00f3n de registro."
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "acInsufInfo": true,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-415"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "B578E383-0D77-4AC7-9C81-3F0B8C18E033"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/101160",
      "source": "product-security@qualcomm.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://source.android.com/security/bulletin/pixel/2017-10-01",
      "source": "product-security@qualcomm.com",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}