CVE-2021-32640
Vulnerability from cvelistv5
Published
2021-05-25 18:25
Modified
2024-08-03 23:25
Severity ?
EPSS score ?
Summary
ReDoS in Sec-Websocket-Protocol header
References
Impacted products
▼ | Vendor | Product |
---|---|---|
websockets | ws |
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A specially crafted value of the `Sec-Websocket-Protocol` header can be used to significantly slow down a ws server. The vulnerability has been fixed in ws@7.4.6 (https://github.com/websockets/ws/commit/00c425ec77993773d823f018f64a5c44e17023ff). In vulnerable versions of ws, the issue can be mitigated by reducing the maximum allowed length of the request headers using the [`--max-http-header-size=size`](https://nodejs.org/api/cli.html#cli_max_http_header_size_size) and/or the [`maxHeaderSize`](https://nodejs.org/api/http.html#http_http_createserver_options_requestlistener) options." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "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:L", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-400", "description": "CWE-400: Uncontrolled Resource Consumption", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-07-06T07:06:26", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/websockets/ws/security/advisories/GHSA-6fc8-4gx4-v693" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/websockets/ws/commit/00c425ec77993773d823f018f64a5c44e17023ff" }, { "name": "[tinkerpop-commits] 20210701 [tinkerpop] 01/03: Bumped ws to 6.2.2 to address CVE-2021-32640 CTR", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.apache.org/thread.html/rdfa7b6253c4d6271e31566ecd5f30b7ce1b8fb2c89d52b8c4e0f4e30%40%3Ccommits.tinkerpop.apache.org%3E" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://security.netapp.com/advisory/ntap-20210706-0005/" } ], "source": { "advisory": "GHSA-6fc8-4gx4-v693", "discovery": "UNKNOWN" }, "title": "ReDoS in Sec-Websocket-Protocol header", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-32640", "STATE": "PUBLIC", "TITLE": "ReDoS in Sec-Websocket-Protocol header" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "ws", "version": { "version_data": [ { "version_value": "\u003e= 5.0.0 \u003c= 7.4.5" } ] } } ] }, "vendor_name": "websockets" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "ws is an open source WebSocket client and server library for Node.js. 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In vulnerable versions of ws, the issue can be mitigated by reducing the maximum allowed length of the request headers using the [`--max-http-header-size=size`](https://nodejs.org/api/cli.html#cli_max_http_header_size_size) and/or the [`maxHeaderSize`](https://nodejs.org/api/http.html#http_http_createserver_options_requestlistener) options." } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "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:L", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-400: Uncontrolled Resource Consumption" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/websockets/ws/security/advisories/GHSA-6fc8-4gx4-v693", "refsource": "CONFIRM", "url": "https://github.com/websockets/ws/security/advisories/GHSA-6fc8-4gx4-v693" }, { "name": "https://github.com/websockets/ws/commit/00c425ec77993773d823f018f64a5c44e17023ff", "refsource": "MISC", "url": "https://github.com/websockets/ws/commit/00c425ec77993773d823f018f64a5c44e17023ff" }, { "name": "[tinkerpop-commits] 20210701 [tinkerpop] 01/03: Bumped ws to 6.2.2 to address CVE-2021-32640 CTR", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rdfa7b6253c4d6271e31566ecd5f30b7ce1b8fb2c89d52b8c4e0f4e30@%3Ccommits.tinkerpop.apache.org%3E" }, { "name": "https://security.netapp.com/advisory/ntap-20210706-0005/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20210706-0005/" } ] }, "source": { "advisory": "GHSA-6fc8-4gx4-v693", "discovery": "UNKNOWN" } } } }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-32640", "datePublished": "2021-05-25T18:25:09", "dateReserved": "2021-05-12T00:00:00", "dateUpdated": "2024-08-03T23:25:31.019Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-32640\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2021-05-25T19:15:07.767\",\"lastModified\":\"2023-11-07T03:35:20.380\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"ws is an open source WebSocket client and server library for Node.js. A specially crafted value of the `Sec-Websocket-Protocol` header can be used to significantly slow down a ws server. The vulnerability has been fixed in ws@7.4.6 (https://github.com/websockets/ws/commit/00c425ec77993773d823f018f64a5c44e17023ff). In vulnerable versions of ws, the issue can be mitigated by reducing the maximum allowed length of the request headers using the [`--max-http-header-size=size`](https://nodejs.org/api/cli.html#cli_max_http_header_size_size) and/or the [`maxHeaderSize`](https://nodejs.org/api/http.html#http_http_createserver_options_requestlistener) options.\"},{\"lang\":\"es\",\"value\":\"ws es una biblioteca de servidor y cliente WebSocket de c\u00f3digo abierto para Node.js.\u0026#xa0;Un valor especialmente dise\u00f1ado del encabezado \\\"Sec-Websocket-Protocol\\\" puede ser usado para ralentizar significativamente un servidor ws.\u0026#xa0;La vulnerabilidad ha sido corregida en la versi\u00f3n ws@7.4.6 (https://github.com/websockets/ws/commit/00c425ec77993773d823f018f64a5c44e17023ff).\u0026#xa0;En las versiones vulnerables de ws, el problema puede ser mitigado al reducir la longitud m\u00e1xima permitida de los encabezados de petici\u00f3n utilizando [`--max-http-header-size=size`](https://nodejs.org/api/cli.html#cli_max_http_header_size_size) y/o las opciones [`maxHeaderSize`](https://nodejs.org/api/http.html#http_http_createserver_options_requestlistener)\"}],\"metrics\":{\"cvssMetricV31\":[{\"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:L\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"LOW\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4},{\"source\":\"security-advisories@github.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:L\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"LOW\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":5.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]},{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ws_project:ws:*:*:*:*:*:node.js:*:*\",\"versionStartIncluding\":\"5.0.0\",\"versionEndExcluding\":\"6.2.2\",\"matchCriteriaId\":\"17BC31A7-9CB8-47EC-89C4-A4809CE9E47D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ws_project:ws:*:*:*:*:*:node.js:*:*\",\"versionStartIncluding\":\"7.0.0\",\"versionEndExcluding\":\"7.4.6\",\"matchCriteriaId\":\"5CCD3F79-60EA-49AB-B02C-327182F655A8\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:e-series_performance_analyzer:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"24B8DB06-590A-4008-B0AB-FCD1401C77C6\"}]}]}],\"references\":[{\"url\":\"https://github.com/websockets/ws/commit/00c425ec77993773d823f018f64a5c44e17023ff\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/websockets/ws/security/advisories/GHSA-6fc8-4gx4-v693\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Exploit\",\"Mitigation\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://lists.apache.org/thread.html/rdfa7b6253c4d6271e31566ecd5f30b7ce1b8fb2c89d52b8c4e0f4e30%40%3Ccommits.tinkerpop.apache.org%3E\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20210706-0005/\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Third Party Advisory\"]}]}}" } }
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.