CVE-2022-32206 (GCVE-0-2022-32206)

Vulnerability from cvelistv5 – Published: 2022-07-07 00:00 – Updated: 2025-05-05 16:16
VLAI
Summary
curl < 7.84.0 supports "chained" HTTP compression algorithms, meaning that a serverresponse can be compressed multiple times and potentially with different algorithms. The number of acceptable "links" in this "decompression chain" was unbounded, allowing a malicious server to insert a virtually unlimited number of compression steps.The use of such a decompression chain could result in a "malloc bomb", makingcurl end up spending enormous amounts of allocated heap memory, or trying toand returning out of memory errors.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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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    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://hackerone.com/reports/1570651\", \"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://lists.debian.org/debian-lts-announce/2022/08/msg00017.html\", \"name\": \"[debian-lts-announce] 20220828 [SECURITY] [DLA 3085-1] curl security update\", \"tags\": [\"mailing-list\", \"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\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2023/02/15/3\", \"name\": \"[oss-security] 20230215 curl: CVE-2023-23916: HTTP multi-header compression denial of service\", \"tags\": [\"mailing-list\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T07:32:56.021Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-32206\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-04-23T13:30:52.597184Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-05-05T13:10:42.874Z\"}}], \"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/1570651\"}, {\"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://lists.debian.org/debian-lts-announce/2022/08/msg00017.html\", \"name\": \"[debian-lts-announce] 20220828 [SECURITY] [DLA 3085-1] curl security update\", \"tags\": [\"mailing-list\"]}, {\"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\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2023/02/15/3\", \"name\": \"[oss-security] 20230215 curl: CVE-2023-23916: HTTP multi-header compression denial of service\", \"tags\": [\"mailing-list\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"curl \u003c 7.84.0 supports \\\"chained\\\" HTTP compression algorithms, meaning that a serverresponse can be compressed multiple times and potentially with different algorithms. The number of acceptable \\\"links\\\" in this \\\"decompression chain\\\" was unbounded, allowing a malicious server to insert a virtually unlimited number of compression steps.The use of such a decompression chain could result in a \\\"malloc bomb\\\", makingcurl end up spending enormous amounts of allocated heap memory, or trying toand returning out of memory errors.\"}], \"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\": \"2023-02-15T00:00:00.000Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-32206\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-05T16:16:54.022Z\", \"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.