{ "containers": { "cna": { "affected": [ { "product": "sydent", "vendor": "matrix-org", "versions": [ { "status": "affected", "version": "<= 2.2.0" } ] } ], "descriptions": [ { "lang": "en", "value": "Sydent is a reference Matrix identity server. In Sydent versions 2.2.0 and prior, sissing input validation of some parameters on the endpoints used to confirm third-party identifiers could cause excessive use of disk space and memory leading to resource exhaustion. A patch for the vulnerability is in version 2.3.0. No workarounds are known to exist." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-20", "description": "{\"CWE-20\":\"Improper Input Validation\"}", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-06-07T11:38:51.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/matrix-org/sydent/security/advisories/GHSA-pw4v-gr34-2553" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/matrix-org/sydent/commit/3175fd358ebc2c310eab7a3dbf296ce2bd54c1da" } ], "source": { "advisory": "GHSA-pw4v-gr34-2553", "discovery": "UNKNOWN" }, "title": "Denial of service (via resource exhaustion) due to improper input validation", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-29433", "STATE": "PUBLIC", "TITLE": "Denial of service (via resource exhaustion) due to improper input validation" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "sydent", "version": { "version_data": [ { "version_value": "<= 2.2.0" } ] } } ] }, "vendor_name": "matrix-org" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Sydent is a reference Matrix identity server. In Sydent versions 2.2.0 and prior, sissing input validation of some parameters on the endpoints used to confirm third-party identifiers could cause excessive use of disk space and memory leading to resource exhaustion. A patch for the vulnerability is in version 2.3.0. No workarounds are known to exist." } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "{\"CWE-20\":\"Improper Input Validation\"}" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/matrix-org/sydent/security/advisories/GHSA-pw4v-gr34-2553", "refsource": "CONFIRM", "url": "https://github.com/matrix-org/sydent/security/advisories/GHSA-pw4v-gr34-2553" }, { "name": "https://github.com/matrix-org/sydent/commit/3175fd358ebc2c310eab7a3dbf296ce2bd54c1da", "refsource": "MISC", "url": "https://github.com/matrix-org/sydent/commit/3175fd358ebc2c310eab7a3dbf296ce2bd54c1da" } ] }, "source": { "advisory": "GHSA-pw4v-gr34-2553", "discovery": "UNKNOWN" } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T22:02:51.915Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://github.com/matrix-org/sydent/security/advisories/GHSA-pw4v-gr34-2553" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/matrix-org/sydent/commit/3175fd358ebc2c310eab7a3dbf296ce2bd54c1da" } ] } ] }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-29433", "datePublished": "2021-04-15T17:55:11.000Z", "dateReserved": "2021-03-30T00:00:00.000Z", "dateUpdated": "2024-08-03T22:02:51.915Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }