Vulnerability-Lookup

GHSA-G5GJ-9GGF-9VMQ

Vulnerability from github – Published: 2021-11-10 20:38 – Updated: 2023-10-02 15:58

Summary

Infinite certificate chain depth results in OctoRPKI running forever

Details

OctoRPKI (github.com/cloudflare/cfrpki/cmd/octorpki) does not limit the depth of a certificate chain, allowing for a CA to create children in an ad-hoc fashion, thereby making tree traversal never end.

For more information

If you have any questions or comments about this advisory email us at security@cloudflare.com

Severity ?

5.9 (Medium)


                  
                    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/cloudflare/cfrpki"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.4.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-3908"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400",
      "CWE-835"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-11-10T18:18:55Z",
    "nvd_published_at": "2021-11-11T22:15:00Z",
    "severity": "MODERATE"
  },
  "details": "OctoRPKI (github.com/cloudflare/cfrpki/cmd/octorpki) does not limit the depth of a certificate chain, allowing for a CA to create children in an ad-hoc fashion, thereby making tree traversal never end.\n\n### For more information\nIf you have any questions or comments about this advisory email us at security@cloudflare.com \n",
  "id": "GHSA-g5gj-9ggf-9vmq",
  "modified": "2023-10-02T15:58:02Z",
  "published": "2021-11-10T20:38:53Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/cloudflare/cfrpki/security/advisories/GHSA-g5gj-9ggf-9vmq"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3908"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/cloudflare/cfrpki"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cloudflare/cfrpki/releases/tag/v1.4.0"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2022/dsa-5041"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Infinite certificate chain depth results in OctoRPKI running forever"
}

CVE-2021-3908 (GCVE-0-2021-3908)

Vulnerability from cvelistv5 – Published: 2021-11-11 21:45 – Updated: 2024-09-16 23:21

Title

Infinite certificate chain depth results in OctoRPKI running forever

Summary

OctoRPKI does not limit the depth of a certificate chain, allowing for a CA to create children in an ad-hoc fashion, thereby making tree traversal never end.

Severity ?

5.9 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-400 - Uncontrolled Resource Consumption

Assigner

cloudflare

References

URL

Tags

	https://github.com/cloudflare/cfrpki/security/adv…	x_refsource_MISC
	https://www.debian.org/security/2022/dsa-5041	vendor-advisoryx_refsource_DEBIAN

Impacted products

	Vendor	Product	Version
	Cloudflare	octorpki	Affected: unspecified , < 1.4.0 (custom)

Credits

Koen van Hove

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:09:09.610Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/cloudflare/cfrpki/security/advisories/GHSA-g5gj-9ggf-9vmq"
          },
          {
            "name": "DSA-5041",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2022/dsa-5041"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "octorpki",
          "vendor": "Cloudflare",
          "versions": [
            {
              "lessThan": "1.4.0",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Koen van Hove"
        }
      ],
      "datePublic": "2021-11-01T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "OctoRPKI does not limit the depth of a certificate chain, allowing for a CA to create children in an ad-hoc fashion, thereby making tree traversal never end."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400 Uncontrolled Resource Consumption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-01-12T10:06:18",
        "orgId": "a22f1246-ba21-4bb4-a601-ad51614c1513",
        "shortName": "cloudflare"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/cloudflare/cfrpki/security/advisories/GHSA-g5gj-9ggf-9vmq"
        },
        {
          "name": "DSA-5041",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2022/dsa-5041"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to 1.4"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Infinite certificate chain depth results in OctoRPKI running forever",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cna@cloudflare.com",
          "DATE_PUBLIC": "2021-11-01T22:28:00.000Z",
          "ID": "CVE-2021-3908",
          "STATE": "PUBLIC",
          "TITLE": "Infinite certificate chain depth results in OctoRPKI running forever"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "octorpki",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "1.4.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Cloudflare"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Koen van Hove"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "OctoRPKI does not limit the depth of a certificate chain, allowing for a CA to create children in an ad-hoc fashion, thereby making tree traversal never end."
            }
          ]
        },
        "generator": {
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        },
        "impact": {
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-400 Uncontrolled Resource Consumption"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/cloudflare/cfrpki/security/advisories/GHSA-g5gj-9ggf-9vmq",
              "refsource": "MISC",
              "url": "https://github.com/cloudflare/cfrpki/security/advisories/GHSA-g5gj-9ggf-9vmq"
            },
            {
              "name": "DSA-5041",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2022/dsa-5041"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "Upgrade to 1.4"
          }
        ],
        "source": {
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a22f1246-ba21-4bb4-a601-ad51614c1513",
    "assignerShortName": "cloudflare",
    "cveId": "CVE-2021-3908",
    "datePublished": "2021-11-11T21:45:18.120994Z",
    "dateReserved": "2021-10-26T00:00:00",
    "dateUpdated": "2024-09-16T23:21:31.088Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

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