FKIE_CVE-2018-15796

Vulnerability from fkie_nvd - Published: 2018-11-09 22:29 - Updated: 2026-06-17 01:43
Severity
8.1 (High) - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
8.1 (High) - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Summary
Cloud Foundry Bits Service Release, versions prior to 2.14.0, uses an insecure hashing algorithm to sign URLs. A remote malicious user may obtain a signed URL and extract the signing key, allowing them complete read and write access to the the Bits Service storage.
References
security_alert@emc.comhttps://www.cloudfoundry.org/blog/cve-2018-15796Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.cloudfoundry.org/blog/cve-2018-15796Vendor Advisory
Impacted products
Vendor Product Version
pivotal_software bits_service *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "bits-service-release",
          "vendor": "Cloud Foundry",
          "versions": [
            {
              "lessThan": "2.14.0",
              "status": "affected",
              "version": "all versions",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "security_alert@emc.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pivotal_software:bits_service:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "62B21639-3ECF-4E53-BE6A-439DCCD830C4",
              "versionEndExcluding": "2.14.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cloud Foundry Bits Service Release, versions prior to 2.14.0, uses an insecure hashing algorithm to sign URLs. A remote malicious user may obtain a signed URL and extract the signing key, allowing them complete read and write access to the the Bits Service storage."
    },
    {
      "lang": "es",
      "value": "Cloud Foundry Bits Service Release, en versiones anteriores a la 2.14.0, utiliza un algoritmo de hash inseguro para firmar URL.  Un usuario malicioso remoto puede obtener una URL firmada y extraer la clave de firma, lo que permite un acceso completo de lectura y escritura al almacenamiento de Bits Service."
    }
  ],
  "id": "CVE-2018-15796",
  "lastModified": "2026-06-17T01:43:07.127",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.2,
        "source": "security_alert@emc.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-11-09T22:29:00.187",
  "references": [
    {
      "source": "security_alert@emc.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.cloudfoundry.org/blog/cve-2018-15796"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.cloudfoundry.org/blog/cve-2018-15796"
    }
  ],
  "sourceIdentifier": "security_alert@emc.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-326"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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