CVE-2018-15796 (GCVE-0-2018-15796)

Vulnerability from cvelistv5 – Published: 2018-11-09 22:00 – Updated: 2024-09-16 19:09
VLAI
Title
Signing Key Extraction in Bits Service Release
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.
CWE
  • Weak Cryptography
References
Impacted products
Vendor Product Version CPE status
Cloud Foundry bits-service-release Affected: all versions , < 2.14.0 (custom)
guessed Create a notification for this product.
Date Public
2018-11-07 00:00
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T10:01:54.596Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.cloudfoundry.org/blog/cve-2018-15796"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "bits-service-release",
          "vendor": "Cloud Foundry",
          "versions": [
            {
              "lessThan": "2.14.0",
              "status": "affected",
              "version": "all versions",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2018-11-07T00:00:00.000Z",
      "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "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"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Weak Cryptography",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-11-09T21:57:01.000Z",
        "orgId": "c550e75a-17ff-4988-97f0-544cde3820fe",
        "shortName": "dell"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.cloudfoundry.org/blog/cve-2018-15796"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Signing Key Extraction in Bits Service Release",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security_alert@emc.com",
          "DATE_PUBLIC": "2018-11-07T08:00:00.000Z",
          "ID": "CVE-2018-15796",
          "STATE": "PUBLIC",
          "TITLE": "Signing Key Extraction in Bits Service Release"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "bits-service-release",
                      "version": {
                        "version_data": [
                          {
                            "affected": "\u003c",
                            "version_affected": "\u003c",
                            "version_name": "all versions",
                            "version_value": "2.14.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Cloud Foundry"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "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."
            }
          ]
        },
        "impact": {
          "cvss": {
            "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"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Weak Cryptography"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.cloudfoundry.org/blog/cve-2018-15796",
              "refsource": "CONFIRM",
              "url": "https://www.cloudfoundry.org/blog/cve-2018-15796"
            }
          ]
        },
        "source": {
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c550e75a-17ff-4988-97f0-544cde3820fe",
    "assignerShortName": "dell",
    "cveId": "CVE-2018-15796",
    "datePublished": "2018-11-09T22:00:00.000Z",
    "dateReserved": "2018-08-23T00:00:00.000Z",
    "dateUpdated": "2024-09-16T19:09:08.154Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2018-15796",
      "date": "2026-09-24",
      "epss": "0.00712",
      "percentile": "0.5153"
    },
    "nvd": {
      "cve": {
        "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": "2024-11-21T03:51:28.080",
        "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"
          }
        ]
      }
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Loading…

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…