Vulnerability-Lookup

FKIE_CVE-2017-0902

Vulnerability from fkie_nvd - Published: 2017-08-31 20:29 - Updated: 2026-06-17 00:58

Severity

8.1 (High) - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a server that the attacker controls.

References

URL	Tags
support@hackerone.com	http://blog.rubygems.org/2017/08/27/2.6.13-released.html	Patch, Vendor Advisory
support@hackerone.com	http://www.securityfocus.com/bid/100586	Third Party Advisory, VDB Entry
support@hackerone.com	http://www.securitytracker.com/id/1039249	Third Party Advisory, VDB Entry
support@hackerone.com	https://access.redhat.com/errata/RHSA-2017:3485	Third Party Advisory
support@hackerone.com	https://access.redhat.com/errata/RHSA-2018:0378	Third Party Advisory
support@hackerone.com	https://access.redhat.com/errata/RHSA-2018:0583	Third Party Advisory
support@hackerone.com	https://access.redhat.com/errata/RHSA-2018:0585	Third Party Advisory
support@hackerone.com	https://github.com/rubygems/rubygems/commit/8d91516fb7037ecfb27622f605dc40245e0f8d32	Exploit, Patch, Third Party Advisory
support@hackerone.com	https://hackerone.com/reports/218088	Exploit, Issue Tracking, Third Party Advisory
support@hackerone.com	https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html	Mailing List, Third Party Advisory
support@hackerone.com	https://security.gentoo.org/glsa/201710-01	Third Party Advisory
support@hackerone.com	https://usn.ubuntu.com/3553-1/	Third Party Advisory
support@hackerone.com	https://usn.ubuntu.com/3685-1/	Third Party Advisory
support@hackerone.com	https://www.debian.org/security/2017/dsa-3966	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://blog.rubygems.org/2017/08/27/2.6.13-released.html	Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/bid/100586	Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	http://www.securitytracker.com/id/1039249	Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	https://access.redhat.com/errata/RHSA-2017:3485	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://access.redhat.com/errata/RHSA-2018:0378	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://access.redhat.com/errata/RHSA-2018:0583	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://access.redhat.com/errata/RHSA-2018:0585	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/rubygems/rubygems/commit/8d91516fb7037ecfb27622f605dc40245e0f8d32	Exploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://hackerone.com/reports/218088	Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://security.gentoo.org/glsa/201710-01	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://usn.ubuntu.com/3553-1/	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://usn.ubuntu.com/3685-1/	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.debian.org/security/2017/dsa-3966	Third Party Advisory

Impacted products

Vendor	Product	Version
rubygems	rubygems	*
debian	debian_linux	8.0
debian	debian_linux	9.0
canonical	ubuntu_linux	14.04
canonical	ubuntu_linux	16.04
canonical	ubuntu_linux	17.10
redhat	enterprise_linux_desktop	7.0
redhat	enterprise_linux_server	7.0
redhat	enterprise_linux_server_aus	7.4
redhat	enterprise_linux_server_aus	7.6
redhat	enterprise_linux_server_eus	7.4
redhat	enterprise_linux_server_eus	7.5
redhat	enterprise_linux_server_eus	7.6
redhat	enterprise_linux_server_tus	7.4
redhat	enterprise_linux_server_tus	7.6
redhat	enterprise_linux_workstation	7.0

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "RubyGems",
          "vendor": "HackerOne",
          "versions": [
            {
              "status": "affected",
              "version": "Versions before 2.6.13"
            }
          ]
        }
      ],
      "source": "support@hackerone.com"
    }
  ],
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          "cpeMatch": [
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  ],
  "cveTags": [],
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      "lang": "en",
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    },
    {
      "lang": "es",
      "value": "RubyGems 2.6.12 y anteriores es vulnerable a secuestro de DNS, lo que permite a un atacante Man-in-the-Middle (MitM) forzar el cliente RubyGems a que descargue e instale gemas desde un servidor que est\u00e1 bajo el control del atacante."
    }
  ],
  "id": "CVE-2017-0902",
  "lastModified": "2026-06-17T00:58:29.760",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
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        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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  },
  "published": "2017-08-31T20:29:00.603",
  "references": [
    {
      "source": "support@hackerone.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
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      "url": "http://blog.rubygems.org/2017/08/27/2.6.13-released.html"
    },
    {
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    {
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  "sourceIdentifier": "support@hackerone.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-350"
        }
      ],
      "source": "support@hackerone.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-346"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2017-0902 (GCVE-0-2017-0902)

Vulnerability from cvelistv5 – Published: 2017-08-31 20:00 – Updated: 2024-09-17 00:42

Summary

Severity

No CVSS data available.

CWE

CWE-350 - Reliance on Reverse DNS Resolution for a Security-Critical Action (CWE-350)

Assigner

hackerone mitre root

References

14 references

URL	Tags
https://usn.ubuntu.com/3685-1/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3553-1/	vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2018:0585	vendor-advisoryx_refsource_REDHAT
https://www.debian.org/security/2017/dsa-3966	vendor-advisoryx_refsource_DEBIAN
https://access.redhat.com/errata/RHSA-2018:0378	vendor-advisoryx_refsource_REDHAT
http://www.securitytracker.com/id/1039249	vdb-entryx_refsource_SECTRACK
https://access.redhat.com/errata/RHSA-2017:3485	vendor-advisoryx_refsource_REDHAT
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
https://access.redhat.com/errata/RHSA-2018:0583	vendor-advisoryx_refsource_REDHAT
https://security.gentoo.org/glsa/201710-01	vendor-advisoryx_refsource_GENTOO
http://www.securityfocus.com/bid/100586	vdb-entryx_refsource_BID
https://github.com/rubygems/rubygems/commit/8d915…	x_refsource_MISC
https://hackerone.com/reports/218088	x_refsource_MISC
http://blog.rubygems.org/2017/08/27/2.6.13-releas…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
HackerOne	RubyGems	Affected: Versions before 2.6.13

Date Public

2017-08-27 00:00

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-05T13:25:16.566Z",
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              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2018:0583"
          },
          {
            "name": "GLSA-201710-01",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/201710-01"
          },
          {
            "name": "100586",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/100586"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/rubygems/rubygems/commit/8d91516fb7037ecfb27622f605dc40245e0f8d32"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/218088"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://blog.rubygems.org/2017/08/27/2.6.13-released.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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        {
          "product": "RubyGems",
          "vendor": "HackerOne",
          "versions": [
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            }
          ]
        }
      ],
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        }
      ],
      "problemTypes": [
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              "cweId": "CWE-350",
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            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-07-14T09:57:01.000Z",
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        "shortName": "hackerone"
      },
      "references": [
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          "tags": [
            "vendor-advisory",
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          ],
          "url": "https://usn.ubuntu.com/3685-1/"
        },
        {
          "name": "USN-3553-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3553-1/"
        },
        {
          "name": "RHSA-2018:0585",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2018:0585"
        },
        {
          "name": "DSA-3966",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2017/dsa-3966"
        },
        {
          "name": "RHSA-2018:0378",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2018:0378"
        },
        {
          "name": "1039249",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1039249"
        },
        {
          "name": "RHSA-2017:3485",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2017:3485"
        },
        {
          "name": "[debian-lts-announce] 20180714 [SECURITY] [DLA 1421-1] ruby2.1 security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html"
        },
        {
          "name": "RHSA-2018:0583",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2018:0583"
        },
        {
          "name": "GLSA-201710-01",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/201710-01"
        },
        {
          "name": "100586",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/100586"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/rubygems/rubygems/commit/8d91516fb7037ecfb27622f605dc40245e0f8d32"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://hackerone.com/reports/218088"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://blog.rubygems.org/2017/08/27/2.6.13-released.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "support@hackerone.com",
          "DATE_PUBLIC": "2017-08-27T00:00:00",
          "ID": "CVE-2017-0902",
          "STATE": "PUBLIC"
        },
        "affects": {
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            "vendor_data": [
              {
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                    {
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                          {
                            "version_value": "Versions before 2.6.13"
                          }
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                      }
                    }
                  ]
                },
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              }
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        },
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            {
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              "value": "RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a server that the attacker controls."
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          ]
        },
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            },
            {
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              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3553-1/"
            },
            {
              "name": "RHSA-2018:0585",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:0585"
            },
            {
              "name": "DSA-3966",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2017/dsa-3966"
            },
            {
              "name": "RHSA-2018:0378",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:0378"
            },
            {
              "name": "1039249",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1039249"
            },
            {
              "name": "RHSA-2017:3485",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2017:3485"
            },
            {
              "name": "[debian-lts-announce] 20180714 [SECURITY] [DLA 1421-1] ruby2.1 security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html"
            },
            {
              "name": "RHSA-2018:0583",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:0583"
            },
            {
              "name": "GLSA-201710-01",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/201710-01"
            },
            {
              "name": "100586",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/100586"
            },
            {
              "name": "https://github.com/rubygems/rubygems/commit/8d91516fb7037ecfb27622f605dc40245e0f8d32",
              "refsource": "MISC",
              "url": "https://github.com/rubygems/rubygems/commit/8d91516fb7037ecfb27622f605dc40245e0f8d32"
            },
            {
              "name": "https://hackerone.com/reports/218088",
              "refsource": "MISC",
              "url": "https://hackerone.com/reports/218088"
            },
            {
              "name": "http://blog.rubygems.org/2017/08/27/2.6.13-released.html",
              "refsource": "MISC",
              "url": "http://blog.rubygems.org/2017/08/27/2.6.13-released.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2017-0902",
    "datePublished": "2017-08-31T20:00:00.000Z",
    "dateReserved": "2016-11-30T00:00:00.000Z",
    "dateUpdated": "2024-09-17T00:42:39.081Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.