FKIE_CVE-2022-28229

Vulnerability from fkie_nvd - Published: 2022-12-23 22:15 - Updated: 2026-06-17 04:38
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
The hash functionality in userver before 42059b6319661583b3080cab9b595d4f8ac48128 allows attackers to cause a denial of service via crafted HTTP request, involving collisions.
References
browser-security@yandex-team.ruhttps://userver.tech/df/d3a/md_en_userver_security_changelog.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://userver.tech/df/d3a/md_en_userver_security_changelog.htmlVendor Advisory
Impacted products
Vendor Product Version
userver userver *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "userver",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "All versions prior to version 42059b6319661583b3080cab9b595d4f8ac48128"
            }
          ]
        }
      ],
      "source": "browser-security@yandex-team.ru"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:userver:userver:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1E611467-F391-41F1-9FED-27D55D543A9F",
              "versionEndExcluding": "2022-11-18",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The hash functionality in userver before 42059b6319661583b3080cab9b595d4f8ac48128 allows attackers to cause a denial of service via crafted HTTP request, involving collisions."
    },
    {
      "lang": "es",
      "value": "La funcionalidad hash en userver anterior a 42059b6319661583b3080cab9b595d4f8ac48128 permite a los atacantes provocar una denegaci\u00f3n de servicio a trav\u00e9s de una solicitud HTTP manipulada, que implica colisiones."
    }
  ],
  "id": "CVE-2022-28229",
  "lastModified": "2026-06-17T04:38:11.660",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-28229",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-04-15T13:24:14.207155Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2022-12-23T22:15:08.710",
  "references": [
    {
      "source": "browser-security@yandex-team.ru",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://userver.tech/df/d3a/md_en_userver_security_changelog.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://userver.tech/df/d3a/md_en_userver_security_changelog.html"
    }
  ],
  "sourceIdentifier": "browser-security@yandex-team.ru",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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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

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • 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.



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.