CVE-2022-32205 (GCVE-0-2022-32205)

Vulnerability from cvelistv5 – Published: 2022-07-07 00:00 – Updated: 2025-05-05 16:17
VLAI
Summary
A malicious server can serve excessive amounts of `Set-Cookie:` headers in a HTTP response to curl and curl < 7.84.0 stores all of them. A sufficiently large amount of (big) cookies make subsequent HTTP requests to this, or other servers to which the cookies match, create requests that become larger than the threshold that curl uses internally to avoid sending crazy large requests (1048576 bytes) and instead returns an error.This denial state might remain for as long as the same cookies are kept, match and haven't expired. Due to cookie matching rules, a server on `foo.example.com` can set cookies that also would match for `bar.example.com`, making it it possible for a "sister server" to effectively cause a denial of service for a sibling site on the same second level domain using this method.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling (CWE-770)
Assigner
References
Impacted products
Vendor Product Version
n/a https://github.com/curl/curl Affected: Fixed in 7.84.0
Show details on NVD website
To clipboard 

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      "published": "2022-07-07T13:15:08.277",
      "references": "[{\"url\": \"http://seclists.org/fulldisclosure/2022/Oct/28\", \"source\": \"support@hackerone.com\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://seclists.org/fulldisclosure/2022/Oct/41\", \"source\": \"support@hackerone.com\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf\", \"source\": \"support@hackerone.com\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://hackerone.com/reports/1569946\", \"source\": \"support@hackerone.com\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEV6BR4MTI3CEWK2YU2HQZUW5FAS3FEY/\", \"source\": \"support@hackerone.com\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://security.gentoo.org/glsa/202212-01\", \"source\": \"support@hackerone.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20220915-0003/\", \"source\": \"support@hackerone.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://support.apple.com/kb/HT213488\", \"source\": \"support@hackerone.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.debian.org/security/2022/dsa-5197\", \"source\": \"support@hackerone.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"http://seclists.org/fulldisclosure/2022/Oct/28\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://seclists.org/fulldisclosure/2022/Oct/41\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://hackerone.com/reports/1569946\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEV6BR4MTI3CEWK2YU2HQZUW5FAS3FEY/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://security.gentoo.org/glsa/202212-01\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20220915-0003/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://support.apple.com/kb/HT213488\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.debian.org/security/2022/dsa-5197\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}]",
      "sourceIdentifier": "support@hackerone.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"support@hackerone.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-770\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-770\"}]}]"
    },
    "microsoft_vex": {
      "current_release_date": "2022-07-19T00:00:00.000Z",
      "cve": "CVE-2022-32205",
      "id": "msrc_CVE-2022-32205",
      "initial_release_date": "2022-07-02T00:00:00.000Z",
      "product_status:fixed": "2",
      "product_status:known_affected": "2",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "A malicious server can serve excessive amounts of `Set-Cookie:` headers in a HTTP response to curl and curl \u003c 7.84.0 stores all of them. A sufficiently large amount of (big) cookies make subsequent HTTP requests to this or other servers to which the cookies match create requests that become larger than the threshold that curl uses internally to avoid sending crazy large requests (1048576 bytes) and instead returns an error.This denial state might remain for as long as the same cookies are kept match and haven\u0027t expired. Due to cookie matching rules a server on `foo.example.com` can set cookies that also would match for `bar.example.com` making it it possible for a \"sister server\" to effectively cause a denial of service for a sibling site on the same second level domain using this method.",
      "url": "https://msrc.microsoft.com/csaf/vex/2022/msrc_cve-2022-32205.json",
      "version": "1"
    },
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Due to cookie matching rules, a server on `foo.example.com` can set cookies that also would match for `bar.example.com`, making it it possible for a \\\"sister server\\\" to effectively cause a denial of service for a sibling site on the same second level domain using this method.\"},{\"lang\":\"es\",\"value\":\"Un servidor malicioso puede servir cantidades excesivas de encabezados \\\"Set-Cookie:\\\" en una respuesta HTTP a curl y curl versiones anteriores a 7.84.0 las almacena todas. Una cantidad suficientemente grande de cookies (grandes) hace que las subsiguientes peticiones HTTP a este, o a otros servidores con los que coincidan las cookies, creen peticiones que superen el umbral que curl usa internamente para evitar el env\u00edo de peticiones locamente grandes (1048576 bytes) y en su lugar devuelva un error. Este estado de denegaci\u00f3n puede permanecer mientras sea mantenidas las mismas cookies, coincidan y no hayan expirado. Debido a las reglas de coincidencia de cookies, un servidor en \\\"foo.example.com\\\" puede establecer cookies que tambi\u00e9n coincidan para \\\"bar.example.com\\\", haciendo posible que un \\\"servidor hermano\\\" cause efectivamente una denegaci\u00f3n de servicio para un sitio hermano en el mismo dominio de segundo nivel usando este m\u00e9todo\"}],\"affected\":[{\"source\":\"support@hackerone.com\",\"affectedData\":[{\"vendor\":\"n/a\",\"product\":\"https://github.com/curl/curl\",\"versions\":[{\"version\":\"Fixed in 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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-30T10:38:58+00:00",
      "cve": "CVE-2022-32205",
      "id": "CVE-2022-32205",
      "initial_release_date": "2022-06-27T00:00:00+00:00",
      "product_status:known_not_affected": "28",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "curl: Set-Cookie denial of service",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-32205.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://hackerone.com/reports/1569946\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEV6BR4MTI3CEWK2YU2HQZUW5FAS3FEY/\", \"name\": \"FEDORA-2022-1b3d7f6973\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}, {\"url\": \"https://www.debian.org/security/2022/dsa-5197\", \"name\": \"DSA-5197\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20220915-0003/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://support.apple.com/kb/HT213488\", \"tags\": [\"x_transferred\"]}, {\"url\": \"http://seclists.org/fulldisclosure/2022/Oct/41\", \"name\": \"20221030 APPLE-SA-2022-10-27-5 Additional information for APPLE-SA-2022-10-24-2 macOS Ventura 13\", \"tags\": [\"mailing-list\", \"x_transferred\"]}, {\"url\": \"http://seclists.org/fulldisclosure/2022/Oct/28\", \"name\": \"20221030 APPLE-SA-2022-10-24-2 macOS Ventura 13\", \"tags\": [\"mailing-list\", \"x_transferred\"]}, {\"url\": \"https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://security.gentoo.org/glsa/202212-01\", \"name\": \"GLSA-202212-01\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T07:32:56.071Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 4.3, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"LOW\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-32205\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-04-23T13:30:54.715338Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-05-05T13:10:44.830Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"n/a\", \"product\": \"https://github.com/curl/curl\", \"versions\": [{\"status\": \"affected\", \"version\": \"Fixed in 7.84.0\"}]}], \"references\": [{\"url\": \"https://hackerone.com/reports/1569946\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEV6BR4MTI3CEWK2YU2HQZUW5FAS3FEY/\", \"name\": \"FEDORA-2022-1b3d7f6973\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://www.debian.org/security/2022/dsa-5197\", \"name\": \"DSA-5197\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20220915-0003/\"}, {\"url\": \"https://support.apple.com/kb/HT213488\"}, {\"url\": \"http://seclists.org/fulldisclosure/2022/Oct/41\", \"name\": \"20221030 APPLE-SA-2022-10-27-5 Additional information for APPLE-SA-2022-10-24-2 macOS Ventura 13\", \"tags\": [\"mailing-list\"]}, {\"url\": \"http://seclists.org/fulldisclosure/2022/Oct/28\", \"name\": \"20221030 APPLE-SA-2022-10-24-2 macOS Ventura 13\", \"tags\": [\"mailing-list\"]}, {\"url\": \"https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf\"}, {\"url\": \"https://security.gentoo.org/glsa/202212-01\", \"name\": \"GLSA-202212-01\", \"tags\": [\"vendor-advisory\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A malicious server can serve excessive amounts of `Set-Cookie:` headers in a HTTP response to curl and curl \u003c 7.84.0 stores all of them. A sufficiently large amount of (big) cookies make subsequent HTTP requests to this, or other servers to which the cookies match, create requests that become larger than the threshold that curl uses internally to avoid sending crazy large requests (1048576 bytes) and instead returns an error.This denial state might remain for as long as the same cookies are kept, match and haven\u0027t expired. Due to cookie matching rules, a server on `foo.example.com` can set cookies that also would match for `bar.example.com`, making it it possible for a \\\"sister server\\\" to effectively cause a denial of service for a sibling site on the same second level domain using this method.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-770\", \"description\": \"Allocation of Resources Without Limits or Throttling (CWE-770)\"}]}], \"providerMetadata\": {\"orgId\": \"36234546-b8fa-4601-9d6f-f4e334aa8ea1\", \"shortName\": \"hackerone\", \"dateUpdated\": \"2022-12-19T00:00:00.000Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-32205\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-05T16:17:03.151Z\", \"dateReserved\": \"2022-06-01T00:00:00.000Z\", \"assignerOrgId\": \"36234546-b8fa-4601-9d6f-f4e334aa8ea1\", \"datePublished\": \"2022-07-07T00:00:00.000Z\", \"assignerShortName\": \"hackerone\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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.