All the vulnerabilites related to eventlet - eventlet
cve-2021-21419
Vulnerability from cvelistv5
Published
2021-05-07 14:30
Modified
2024-08-03 18:09
Severity ?
EPSS score ?
Summary
Improper Handling of Highly Compressed Data (Data Amplification) and Memory Allocation with Excessive Size Value in eventlet
References
▼ | URL | Tags |
---|---|---|
https://github.com/eventlet/eventlet/security/advisories/GHSA-9p9m-jm8w-94p2 | x_refsource_CONFIRM | |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5JZP4LZOSP7CUAM3GIRW6PIAWKH5VGB/ | vendor-advisory, x_refsource_FEDORA | |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2WJFSBPLCNSZNHYQC4QDRDFRTEZRMD2L/ | vendor-advisory, x_refsource_FEDORA |
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A websocket peer may exhaust memory on Eventlet side by sending very large websocket frames. Malicious peer may exhaust memory on Eventlet side by sending highly compressed data frame. A patch in version 0.31.0 restricts websocket frame to reasonable limits. As a workaround, restricting memory usage via OS limits would help against overall machine exhaustion, but there is no workaround to protect Eventlet process." } ], "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": "2021-05-25T02:06:13", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/eventlet/eventlet/security/advisories/GHSA-9p9m-jm8w-94p2" }, { "name": "FEDORA-2021-9fde3d7ab1", "tags": [ "vendor-advisory", "x_refsource_FEDORA" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5JZP4LZOSP7CUAM3GIRW6PIAWKH5VGB/" }, { "name": "FEDORA-2021-d5915c247b", "tags": [ "vendor-advisory", "x_refsource_FEDORA" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2WJFSBPLCNSZNHYQC4QDRDFRTEZRMD2L/" } ], "source": { "advisory": "GHSA-9p9m-jm8w-94p2", "discovery": "UNKNOWN" }, "title": "Improper Handling of Highly Compressed Data (Data Amplification) and Memory Allocation with Excessive Size Value in eventlet", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-21419", "STATE": "PUBLIC", "TITLE": "Improper Handling of Highly Compressed Data (Data Amplification) and Memory Allocation with Excessive Size Value in eventlet" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "eventlet", "version": { "version_data": [ { "version_value": "\u003e= 0.10, \u003c 0.31.0" } ] } } ] }, "vendor_name": "eventlet" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Eventlet is a concurrent networking library for Python. 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