CVE-2022-2529 (GCVE-0-2022-2529)

Vulnerability from cvelistv5 – Published: 2022-09-30 10:45 – Updated: 2025-05-20 16:03
VLAI
Title
Multiple DoS Attack Vectors in sflow packet handling
Summary
sflow decode package does not employ sufficient packet sanitisation which can lead to a denial of service attack. Attackers can craft malformed packets causing the process to consume large amounts of memory resulting in a denial of service.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-20 - Improper Input Validation
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Vendor Product Version
Cloudflare goflow Affected: unspecified , < 3.4.4 (custom)
Create a notification for this product.
Credits
Justin Timperio, Chase Hiltz
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T00:39:08.043Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-2529",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-20T16:02:58.308388Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-20T16:03:07.474Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "platforms": [
            "Go"
          ],
          "product": "goflow",
          "vendor": "Cloudflare",
          "versions": [
            {
              "lessThan": "3.4.4",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Justin Timperio, Chase Hiltz"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "sflow decode package does not employ sufficient packet sanitisation which can lead to a denial of service attack. Attackers can craft malformed packets causing the process to consume large amounts of memory resulting in a denial of service."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20 Improper Input Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400 Uncontrolled Resource Consumption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-09-30T10:45:11.000Z",
        "orgId": "a22f1246-ba21-4bb4-a601-ad51614c1513",
        "shortName": "cloudflare"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade goflow at least to version 3.4.4"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Multiple DoS Attack Vectors in sflow packet handling",
      "workarounds": [
        {
          "lang": "en",
          "value": "Make sure that the goflow collector is not publicly reachable."
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cna@cloudflare.com",
          "ID": "CVE-2022-2529",
          "STATE": "PUBLIC",
          "TITLE": "Multiple DoS Attack Vectors in sflow packet handling"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "goflow",
                      "version": {
                        "version_data": [
                          {
                            "platform": "Go",
                            "version_affected": "\u003c",
                            "version_value": "3.4.4"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Cloudflare"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Justin Timperio, Chase Hiltz"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "sflow decode package does not employ sufficient packet sanitisation which can lead to a denial of service attack. Attackers can craft malformed packets causing the process to consume large amounts of memory resulting in a denial of service."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-20 Improper Input Validation"
                }
              ]
            },
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-400 Uncontrolled Resource Consumption"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c",
              "refsource": "MISC",
              "url": "https://github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "Upgrade goflow at least to version 3.4.4"
          }
        ],
        "source": {
          "discovery": "EXTERNAL"
        },
        "work_around": [
          {
            "lang": "en",
            "value": "Make sure that the goflow collector is not publicly reachable."
          }
        ]
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a22f1246-ba21-4bb4-a601-ad51614c1513",
    "assignerShortName": "cloudflare",
    "cveId": "CVE-2022-2529",
    "datePublished": "2022-09-30T10:45:11.000Z",
    "dateReserved": "2022-07-25T00:00:00.000Z",
    "dateUpdated": "2025-05-20T16:03:07.474Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-2529",
      "date": "2026-05-28",
      "epss": "0.00574",
      "percentile": "0.69035"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-2529\",\"sourceIdentifier\":\"cna@cloudflare.com\",\"published\":\"2022-09-30T11:15:09.353\",\"lastModified\":\"2024-11-21T07:01:11.843\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"sflow decode package does not employ sufficient packet sanitisation which can lead to a denial of service attack. Attackers can craft malformed packets causing the process to consume large amounts of memory resulting in a denial of service.\"},{\"lang\":\"es\",\"value\":\"El paquete de decodificaci\u00f3n sflow no emplea suficiente sanitizaci\u00f3n de paquetes, lo que puede llevar a un ataque de denegaci\u00f3n de servicio. Los atacantes pueden elaborar paquetes malformados haciendo que el proceso consuma grandes cantidades de memoria, lo que provoca una denegaci\u00f3n de servicio\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cna@cloudflare.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"cna@cloudflare.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"},{\"lang\":\"en\",\"value\":\"CWE-400\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cloudflare:goflow:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"3.4.4\",\"matchCriteriaId\":\"DA4C3B2C-FA7D-4659-97FF-880D574C12B4\"}]}]}],\"references\":[{\"url\":\"https://github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c\",\"source\":\"cna@cloudflare.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c\", \"tags\": [\"x_refsource_MISC\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T00:39:08.043Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-2529\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-05-20T16:02:58.308388Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-05-20T16:03:03.524Z\"}}], \"cna\": {\"title\": \"Multiple DoS Attack Vectors in sflow packet handling\", \"source\": {\"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"value\": \"Justin Timperio, Chase Hiltz\"}], \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"Cloudflare\", \"product\": \"goflow\", \"versions\": [{\"status\": \"affected\", \"version\": \"unspecified\", \"lessThan\": \"3.4.4\", \"versionType\": \"custom\"}], \"platforms\": [\"Go\"]}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Upgrade goflow at least to version 3.4.4\"}], \"references\": [{\"url\": \"https://github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c\", \"tags\": [\"x_refsource_MISC\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"Make sure that the goflow collector is not publicly reachable.\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.0.9\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"sflow decode package does not employ sufficient packet sanitisation which can lead to a denial of service attack. Attackers can craft malformed packets causing the process to consume large amounts of memory resulting in a denial of service.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-20\", \"description\": \"CWE-20 Improper Input Validation\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-400\", \"description\": \"CWE-400 Uncontrolled Resource Consumption\"}]}], \"providerMetadata\": {\"orgId\": \"a22f1246-ba21-4bb4-a601-ad51614c1513\", \"shortName\": \"cloudflare\", \"dateUpdated\": \"2022-09-30T10:45:11.000Z\"}, \"x_legacyV4Record\": {\"credit\": [{\"lang\": \"eng\", \"value\": \"Justin Timperio, Chase Hiltz\"}], \"impact\": {\"cvss\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}, \"source\": {\"discovery\": \"EXTERNAL\"}, \"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"version\": {\"version_data\": [{\"platform\": \"Go\", \"version_value\": \"3.4.4\", \"version_affected\": \"\u003c\"}]}, \"product_name\": \"goflow\"}]}, \"vendor_name\": \"Cloudflare\"}]}}, \"solution\": [{\"lang\": \"en\", \"value\": \"Upgrade goflow at least to version 3.4.4\"}], \"data_type\": \"CVE\", \"generator\": {\"engine\": \"Vulnogram 0.0.9\"}, \"references\": {\"reference_data\": [{\"url\": \"https://github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c\", \"name\": \"https://github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c\", \"refsource\": \"MISC\"}]}, \"data_format\": \"MITRE\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"sflow decode package does not employ sufficient packet sanitisation which can lead to a denial of service attack. Attackers can craft malformed packets causing the process to consume large amounts of memory resulting in a denial of service.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"CWE-20 Improper Input Validation\"}]}, {\"description\": [{\"lang\": \"eng\", \"value\": \"CWE-400 Uncontrolled Resource Consumption\"}]}]}, \"work_around\": [{\"lang\": \"en\", \"value\": \"Make sure that the goflow collector is not publicly reachable.\"}], \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2022-2529\", \"STATE\": \"PUBLIC\", \"TITLE\": \"Multiple DoS Attack Vectors in sflow packet handling\", \"ASSIGNER\": \"cna@cloudflare.com\"}}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-2529\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-20T16:03:07.474Z\", \"dateReserved\": \"2022-07-25T00:00:00.000Z\", \"assignerOrgId\": \"a22f1246-ba21-4bb4-a601-ad51614c1513\", \"datePublished\": \"2022-09-30T10:45:11.000Z\", \"assignerShortName\": \"cloudflare\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.



Detection rules are retrieved from Rulezet.