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.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-20 16:02 UTC
CWE
  • CWE-20 - Improper Input Validation
  • CWE-400 - Uncontrolled Resource Consumption
References
Impacted products
Vendor Product Version CPE status
Cloudflare goflow Affected: unspecified , < 3.4.4 (custom)
guessed Create a notification for this product.
Show details on NVD website

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                "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"
    }
  }
}



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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.

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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.


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