{ "containers": { "cna": { "affected": [ { "product": "istio", "vendor": "istio", "versions": [ { "status": "affected", "version": "< 1.9.8" }, { "status": "affected", "version": ">= 1.10.0, < 1.10.4" }, { "status": "affected", "version": ">= 1.11.0, < 1.11.1" } ] } ], "descriptions": [ { "lang": "en", "value": "Istio is an open source platform for providing a uniform way to integrate microservices, manage traffic flow across microservices, enforce policies and aggregate telemetry data. Istio 1.11.0, 1.10.3 and below, and 1.9.7 and below contain a remotely exploitable vulnerability where an HTTP request with `#fragment` in the path may bypass Istio’s URI path based authorization policies. Patches are available in Istio 1.11.1, Istio 1.10.4 and Istio 1.9.8. As a work around a Lua filter may be written to normalize the path." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-863", "description": "CWE-863: Incorrect Authorization", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-08-24T22:30:12.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/istio/istio/security/advisories/GHSA-hqxw-mm44-gc4r" }, { "tags": [ "x_refsource_MISC" ], "url": "https://istio.io/latest/news/security/istio-security-2021-008" } ], "source": { "advisory": "GHSA-hqxw-mm44-gc4r", "discovery": "UNKNOWN" }, "title": "Fragments in Path May Lead to Authorization Policy Bypass", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-39156", "STATE": "PUBLIC", "TITLE": "Fragments in Path May Lead to Authorization Policy Bypass" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "istio", "version": { "version_data": [ { "version_value": "< 1.9.8" }, { "version_value": ">= 1.10.0, < 1.10.4" }, { "version_value": ">= 1.11.0, < 1.11.1" } ] } } ] }, "vendor_name": "istio" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Istio is an open source platform for providing a uniform way to integrate microservices, manage traffic flow across microservices, enforce policies and aggregate telemetry data. Istio 1.11.0, 1.10.3 and below, and 1.9.7 and below contain a remotely exploitable vulnerability where an HTTP request with `#fragment` in the path may bypass Istio’s URI path based authorization policies. Patches are available in Istio 1.11.1, Istio 1.10.4 and Istio 1.9.8. As a work around a Lua filter may be written to normalize the path." } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-863: Incorrect Authorization" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/istio/istio/security/advisories/GHSA-hqxw-mm44-gc4r", "refsource": "CONFIRM", "url": "https://github.com/istio/istio/security/advisories/GHSA-hqxw-mm44-gc4r" }, { "name": "https://istio.io/latest/news/security/istio-security-2021-008", "refsource": "MISC", "url": "https://istio.io/latest/news/security/istio-security-2021-008" } ] }, "source": { "advisory": "GHSA-hqxw-mm44-gc4r", "discovery": "UNKNOWN" } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:58:18.136Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://github.com/istio/istio/security/advisories/GHSA-hqxw-mm44-gc4r" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://istio.io/latest/news/security/istio-security-2021-008" } ] } ] }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-39156", "datePublished": "2021-08-24T22:30:12.000Z", "dateReserved": "2021-08-16T00:00:00.000Z", "dateUpdated": "2024-08-04T01:58:18.136Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }