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CVE-2021-29492
Vulnerability from cvelistv5
Published
2021-05-28 21:00
Modified
2024-08-03 22:11
Severity ?
EPSS score ?
Summary
Bypass of path matching rules using escaped slash characters
References
▼ | URL | Tags | |
---|---|---|---|
security-advisories@github.com | https://github.com/envoyproxy/envoy/security/advisories/GHSA-4987-27fx-x6cf | Mitigation, Third Party Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
envoyproxy | envoy |
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-03T22:11:05.253Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-4987-27fx-x6cf" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "envoy", "vendor": "envoyproxy", "versions": [ { "status": "affected", "version": "\u003c= 1.18.2" } ] } ], "descriptions": [ { "lang": "en", "value": "Envoy is a cloud-native edge/middle/service proxy. Envoy does not decode escaped slash sequences `%2F` and `%5C` in HTTP URL paths in versions 1.18.2 and before. A remote attacker may craft a path with escaped slashes, e.g. `/something%2F..%2Fadmin`, to bypass access control, e.g. a block on `/admin`. A backend server could then decode slash sequences and normalize path and provide an attacker access beyond the scope provided for by the access control policy. ### Impact Escalation of Privileges when using RBAC or JWT filters with enforcement based on URL path. Users with back end servers that interpret `%2F` and `/` and `%5C` and `\\` interchangeably are impacted. ### Attack Vector URL paths containing escaped slash characters delivered by untrusted client. Patches in versions 1.18.3, 1.17.3, 1.16.4, 1.15.5 contain new path normalization option to decode escaped slash characters. As a workaround, if back end servers treat `%2F` and `/` and `%5C` and `\\` interchangeably and a URL path based access control is configured, one may reconfigure the back end server to not treat `%2F` and `/` and `%5C` and `\\` interchangeably." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-22", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-06-07T11:25:20", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-4987-27fx-x6cf" } ], "source": { "advisory": "GHSA-4987-27fx-x6cf", "discovery": "UNKNOWN" }, "title": "Bypass of path matching rules using escaped slash characters", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-29492", "STATE": "PUBLIC", "TITLE": "Bypass of path matching rules using escaped slash characters" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "envoy", "version": { "version_data": [ { "version_value": "\u003c= 1.18.2" } ] } } ] }, "vendor_name": "envoyproxy" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Envoy is a cloud-native edge/middle/service proxy. Envoy does not decode escaped slash sequences `%2F` and `%5C` in HTTP URL paths in versions 1.18.2 and before. A remote attacker may craft a path with escaped slashes, e.g. `/something%2F..%2Fadmin`, to bypass access control, e.g. a block on `/admin`. A backend server could then decode slash sequences and normalize path and provide an attacker access beyond the scope provided for by the access control policy. ### Impact Escalation of Privileges when using RBAC or JWT filters with enforcement based on URL path. Users with back end servers that interpret `%2F` and `/` and `%5C` and `\\` interchangeably are impacted. ### Attack Vector URL paths containing escaped slash characters delivered by untrusted client. Patches in versions 1.18.3, 1.17.3, 1.16.4, 1.15.5 contain new path normalization option to decode escaped slash characters. As a workaround, if back end servers treat `%2F` and `/` and `%5C` and `\\` interchangeably and a URL path based access control is configured, one may reconfigure the back end server to not treat `%2F` and `/` and `%5C` and `\\` interchangeably." } ] }, "impact": { "cvss": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-4987-27fx-x6cf", "refsource": "CONFIRM", "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-4987-27fx-x6cf" } ] }, "source": { "advisory": "GHSA-4987-27fx-x6cf", "discovery": "UNKNOWN" } } } }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-29492", "datePublished": "2021-05-28T21:00:24", "dateReserved": "2021-03-30T00:00:00", "dateUpdated": "2024-08-03T22:11:05.253Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-29492\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2021-05-28T21:15:08.670\",\"lastModified\":\"2021-12-10T18:10:32.253\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Envoy is a cloud-native edge/middle/service proxy. Envoy does not decode escaped slash sequences `%2F` and `%5C` in HTTP URL paths in versions 1.18.2 and before. A remote attacker may craft a path with escaped slashes, e.g. `/something%2F..%2Fadmin`, to bypass access control, e.g. a block on `/admin`. A backend server could then decode slash sequences and normalize path and provide an attacker access beyond the scope provided for by the access control policy. ### Impact Escalation of Privileges when using RBAC or JWT filters with enforcement based on URL path. Users with back end servers that interpret `%2F` and `/` and `%5C` and `\\\\` interchangeably are impacted. ### Attack Vector URL paths containing escaped slash characters delivered by untrusted client. Patches in versions 1.18.3, 1.17.3, 1.16.4, 1.15.5 contain new path normalization option to decode escaped slash characters. As a workaround, if back end servers treat `%2F` and `/` and `%5C` and `\\\\` interchangeably and a URL path based access control is configured, one may reconfigure the back end server to not treat `%2F` and `/` and `%5C` and `\\\\` interchangeably.\"},{\"lang\":\"es\",\"value\":\"Envoy es un proxy de borde/medio/servicio nativo de la nube. Envoy no descifra las secuencias de barras diagonales escapadas `%2F` y `%5C` en las rutas URL HTTP en las versiones 1.18.2 y anteriores. Un atacante remoto puede crear una ruta con barras escapadas, por ejemplo `algo%2F..%2Fadmin`, para saltarse el control de acceso, por ejemplo, un bloqueo en `/admin`. Un servidor backend podr\u00eda entonces decodificar las secuencias de barras y normalizar la ruta y proporcionar a un atacante acceso m\u00e1s all\u00e1 del alcance previsto por la pol\u00edtica de control de acceso. ### Impacto Escalada de Privilegios cuando se utilizan filtros RBAC o JWT con aplicaci\u00f3n basada en la ruta de la URL. Los usuarios con servidores de back-end que interpretan `%2F` y `/` y `%5C` y `\\\\` indistintamente est\u00e1n impactados. ### Vector de ataque Rutas de URL que contienen caracteres de barra diagonal escapados entregados por un cliente que no es de confianza. Los parches de las versiones 1.18.3, 1.17.3, 1.16.4 y 1.15.5 contienen una nueva opci\u00f3n de normalizaci\u00f3n de rutas para descodificar los caracteres de barra diagonal escapados. Como soluci\u00f3n, si los servidores finales tratan `%2F` y `/` y `%5C` y `\\\\` indistintamente y se configura un control de acceso basado en la ruta de la URL, se puede reconfigurar el servidor final para que no trate `%2F` y `/` y `%5C` y `\\\\` indistintamente\"}],\"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:C/C:L/I:L/A:L\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\",\"baseScore\":8.3,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.7},{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":7.5},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-22\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.15.5\",\"matchCriteriaId\":\"EE9E311E-85FF-42AA-B0A3-C138D436932D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.16.0\",\"versionEndExcluding\":\"1.16.4\",\"matchCriteriaId\":\"D36D66BB-9C95-4E59-AA78-6824ACCB89D7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.17.0\",\"versionEndExcluding\":\"1.17.3\",\"matchCriteriaId\":\"D502D5F9-38A7-46B1-890D-2A177B76AEBB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.18.0\",\"versionEndExcluding\":\"1.18.3\",\"matchCriteriaId\":\"BA3D8EC7-7D60-41C5-9770-3521DB6F7650\"}]}]}],\"references\":[{\"url\":\"https://github.com/envoyproxy/envoy/security/advisories/GHSA-4987-27fx-x6cf\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Mitigation\",\"Third Party Advisory\"]}]}}" } }
gsd-2021-29492
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Envoy is a cloud-native edge/middle/service proxy. Envoy does not decode escaped slash sequences `%2F` and `%5C` in HTTP URL paths in versions 1.18.2 and before. A remote attacker may craft a path with escaped slashes, e.g. `/something%2F..%2Fadmin`, to bypass access control, e.g. a block on `/admin`. A backend server could then decode slash sequences and normalize path and provide an attacker access beyond the scope provided for by the access control policy. ### Impact Escalation of Privileges when using RBAC or JWT filters with enforcement based on URL path. Users with back end servers that interpret `%2F` and `/` and `%5C` and `\` interchangeably are impacted. ### Attack Vector URL paths containing escaped slash characters delivered by untrusted client. Patches in versions 1.18.3, 1.17.3, 1.16.4, 1.15.5 contain new path normalization option to decode escaped slash characters. As a workaround, if back end servers treat `%2F` and `/` and `%5C` and `\` interchangeably and a URL path based access control is configured, one may reconfigure the back end server to not treat `%2F` and `/` and `%5C` and `\` interchangeably.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2021-29492", "description": "Envoy is a cloud-native edge/middle/service proxy. Envoy does not decode escaped slash sequences `%2F` and `%5C` in HTTP URL paths in versions 1.18.2 and before. A remote attacker may craft a path with escaped slashes, e.g. `/something%2F..%2Fadmin`, to bypass access control, e.g. a block on `/admin`. A backend server could then decode slash sequences and normalize path and provide an attacker access beyond the scope provided for by the access control policy. ### Impact Escalation of Privileges when using RBAC or JWT filters with enforcement based on URL path. Users with back end servers that interpret `%2F` and `/` and `%5C` and `\\` interchangeably are impacted. ### Attack Vector URL paths containing escaped slash characters delivered by untrusted client. Patches in versions 1.18.3, 1.17.3, 1.16.4, 1.15.5 contain new path normalization option to decode escaped slash characters. As a workaround, if back end servers treat `%2F` and `/` and `%5C` and `\\` interchangeably and a URL path based access control is configured, one may reconfigure the back end server to not treat `%2F` and `/` and `%5C` and `\\` interchangeably.", "id": "GSD-2021-29492", "references": [ "https://www.suse.com/security/cve/CVE-2021-29492.html", "https://access.redhat.com/errata/RHSA-2021:1540", "https://access.redhat.com/errata/RHSA-2021:1538", "https://security.archlinux.org/CVE-2021-29492" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2021-29492" ], "details": "Envoy is a cloud-native edge/middle/service proxy. Envoy does not decode escaped slash sequences `%2F` and `%5C` in HTTP URL paths in versions 1.18.2 and before. A remote attacker may craft a path with escaped slashes, e.g. `/something%2F..%2Fadmin`, to bypass access control, e.g. a block on `/admin`. A backend server could then decode slash sequences and normalize path and provide an attacker access beyond the scope provided for by the access control policy. ### Impact Escalation of Privileges when using RBAC or JWT filters with enforcement based on URL path. Users with back end servers that interpret `%2F` and `/` and `%5C` and `\\` interchangeably are impacted. ### Attack Vector URL paths containing escaped slash characters delivered by untrusted client. Patches in versions 1.18.3, 1.17.3, 1.16.4, 1.15.5 contain new path normalization option to decode escaped slash characters. As a workaround, if back end servers treat `%2F` and `/` and `%5C` and `\\` interchangeably and a URL path based access control is configured, one may reconfigure the back end server to not treat `%2F` and `/` and `%5C` and `\\` interchangeably.", "id": "GSD-2021-29492", "modified": "2023-12-13T01:23:37.098195Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-29492", "STATE": "PUBLIC", "TITLE": "Bypass of path matching rules using escaped slash characters" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "envoy", "version": { "version_data": [ { "version_value": "\u003c= 1.18.2" } ] } } ] }, "vendor_name": "envoyproxy" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Envoy is a cloud-native edge/middle/service proxy. Envoy does not decode escaped slash sequences `%2F` and `%5C` in HTTP URL paths in versions 1.18.2 and before. A remote attacker may craft a path with escaped slashes, e.g. `/something%2F..%2Fadmin`, to bypass access control, e.g. a block on `/admin`. A backend server could then decode slash sequences and normalize path and provide an attacker access beyond the scope provided for by the access control policy. ### Impact Escalation of Privileges when using RBAC or JWT filters with enforcement based on URL path. Users with back end servers that interpret `%2F` and `/` and `%5C` and `\\` interchangeably are impacted. ### Attack Vector URL paths containing escaped slash characters delivered by untrusted client. Patches in versions 1.18.3, 1.17.3, 1.16.4, 1.15.5 contain new path normalization option to decode escaped slash characters. As a workaround, if back end servers treat `%2F` and `/` and `%5C` and `\\` interchangeably and a URL path based access control is configured, one may reconfigure the back end server to not treat `%2F` and `/` and `%5C` and `\\` interchangeably." } ] }, "impact": { "cvss": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-4987-27fx-x6cf", "refsource": "CONFIRM", "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-4987-27fx-x6cf" } ] }, "source": { "advisory": "GHSA-4987-27fx-x6cf", "discovery": "UNKNOWN" } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "1.15.5", "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "1.16.4", "versionStartIncluding": "1.16.0", "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "1.17.3", "versionStartIncluding": "1.17.0", "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "1.18.3", "versionStartIncluding": "1.18.0", "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-29492" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "Envoy is a cloud-native edge/middle/service proxy. Envoy does not decode escaped slash sequences `%2F` and `%5C` in HTTP URL paths in versions 1.18.2 and before. A remote attacker may craft a path with escaped slashes, e.g. `/something%2F..%2Fadmin`, to bypass access control, e.g. a block on `/admin`. A backend server could then decode slash sequences and normalize path and provide an attacker access beyond the scope provided for by the access control policy. ### Impact Escalation of Privileges when using RBAC or JWT filters with enforcement based on URL path. Users with back end servers that interpret `%2F` and `/` and `%5C` and `\\` interchangeably are impacted. ### Attack Vector URL paths containing escaped slash characters delivered by untrusted client. Patches in versions 1.18.3, 1.17.3, 1.16.4, 1.15.5 contain new path normalization option to decode escaped slash characters. As a workaround, if back end servers treat `%2F` and `/` and `%5C` and `\\` interchangeably and a URL path based access control is configured, one may reconfigure the back end server to not treat `%2F` and `/` and `%5C` and `\\` interchangeably." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-22" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-4987-27fx-x6cf", "refsource": "CONFIRM", "tags": [ "Mitigation", "Third Party Advisory" ], "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-4987-27fx-x6cf" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0" }, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "HIGH", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 3.7 } }, "lastModifiedDate": "2021-12-10T18:10Z", "publishedDate": "2021-05-28T21:15Z" } } }
rhsa-2021_1540
Vulnerability from csaf_redhat
Published
2021-05-11 23:31
Modified
2024-11-05 23:31
Summary
Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.1.14 security update
Notes
Topic
An update for servicemesh and servicemesh-proxy is now available for OpenShift Service Mesh 1.1.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an on-premise OpenShift Container Platform installation.
Security Fix(es):
* envoyproxy/envoy: HTTP request with escaped slash characters can bypass Envoy's authorization mechanisms (CVE-2021-29492)
* istio/istio: HTTP request with escaped slash characters can bypass authorization mechanisms (CVE-2021-31920)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for servicemesh and servicemesh-proxy is now available for OpenShift Service Mesh 1.1.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "Red Hat OpenShift Service Mesh is Red Hat\u0027s distribution of the Istio service mesh project, tailored for installation into an on-premise OpenShift Container Platform installation.\n\nSecurity Fix(es):\n\n* envoyproxy/envoy: HTTP request with escaped slash characters can bypass Envoy\u0027s authorization mechanisms (CVE-2021-29492)\n\n* istio/istio: HTTP request with escaped slash characters can bypass authorization mechanisms (CVE-2021-31920)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2021:1540", "url": "https://access.redhat.com/errata/RHSA-2021:1540" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1951188", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1951188" }, { "category": "external", "summary": "1959481", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1959481" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_1540.json" } ], "title": "Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.1.14 security update", "tracking": { "current_release_date": "2024-11-05T23:31:54+00:00", "generator": { "date": "2024-11-05T23:31:54+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2021:1540", "initial_release_date": "2021-05-11T23:31:30+00:00", "revision_history": [ { "date": "2021-05-11T23:31:30+00:00", "number": "1", "summary": "Initial version" }, { "date": "2021-05-11T23:31:30+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-05T23:31:54+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": 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"full_product_name": { "name": "servicemesh-proxy-0:1.1.14-1.el8.ppc64le as a component of OpenShift Service Mesh 1.1", "product_id": "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.ppc64le" }, "product_reference": "servicemesh-proxy-0:1.1.14-1.el8.ppc64le", "relates_to_product_reference": "8Base-OSSM-1.1" }, { "category": "default_component_of", "full_product_name": { "name": "servicemesh-proxy-0:1.1.14-1.el8.s390x as a component of OpenShift Service Mesh 1.1", "product_id": "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.s390x" }, "product_reference": "servicemesh-proxy-0:1.1.14-1.el8.s390x", "relates_to_product_reference": "8Base-OSSM-1.1" }, { "category": "default_component_of", "full_product_name": { "name": "servicemesh-proxy-0:1.1.14-1.el8.src as a component of OpenShift Service Mesh 1.1", "product_id": "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.src" }, "product_reference": "servicemesh-proxy-0:1.1.14-1.el8.src", "relates_to_product_reference": "8Base-OSSM-1.1" }, { "category": "default_component_of", "full_product_name": { "name": "servicemesh-proxy-0:1.1.14-1.el8.x86_64 as a component of OpenShift Service Mesh 1.1", "product_id": "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.x86_64" }, "product_reference": "servicemesh-proxy-0:1.1.14-1.el8.x86_64", "relates_to_product_reference": "8Base-OSSM-1.1" }, { "category": "default_component_of", "full_product_name": { "name": "servicemesh-sidecar-injector-0:1.1.14-1.el8.ppc64le as a component of OpenShift Service Mesh 1.1", "product_id": "8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.ppc64le" }, "product_reference": "servicemesh-sidecar-injector-0:1.1.14-1.el8.ppc64le", "relates_to_product_reference": "8Base-OSSM-1.1" }, { "category": "default_component_of", "full_product_name": { "name": "servicemesh-sidecar-injector-0:1.1.14-1.el8.s390x as a component of OpenShift Service Mesh 1.1", "product_id": "8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.s390x" }, "product_reference": "servicemesh-sidecar-injector-0:1.1.14-1.el8.s390x", "relates_to_product_reference": "8Base-OSSM-1.1" }, { "category": "default_component_of", "full_product_name": { "name": "servicemesh-sidecar-injector-0:1.1.14-1.el8.x86_64 as a component of OpenShift Service Mesh 1.1", "product_id": "8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.x86_64" }, "product_reference": "servicemesh-sidecar-injector-0:1.1.14-1.el8.x86_64", "relates_to_product_reference": "8Base-OSSM-1.1" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "the Envoy security team" ] } ], "cve": "CVE-2021-29492", "cwe": { "id": "CWE-863", "name": "Incorrect Authorization" }, "discovery_date": "2021-04-19T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.src", "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.x86_64" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1951188" } ], "notes": [ { "category": "description", "text": "An authorization bypass vulnerability was found in envoyproxy/envoy. An attacker can potentially craft an HTTP request that defines a certain pattern of escaped characters in the URI path (such as %2F, %2f, %5C or %5c), allowing them to bypass the envoy authorization service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "envoyproxy/envoy: HTTP request with escaped slash characters can bypass Envoy\u0027s authorization mechanisms", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.src", "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.x86_64" ], "known_not_affected": [ "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.src", "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2021-29492" }, { "category": "external", "summary": "RHBZ#1951188", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1951188" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2021-29492", "url": "https://www.cve.org/CVERecord?id=CVE-2021-29492" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-29492", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29492" }, { "category": "external", "summary": "https://istio.io/latest/news/releases/1.9.x/announcing-1.9.5/", "url": "https://istio.io/latest/news/releases/1.9.x/announcing-1.9.5/" } ], "release_date": "2021-05-11T19:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-05-11T23:31:30+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.src", "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:1540" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L", "version": "3.1" }, "products": [ "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.src", "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "envoyproxy/envoy: HTTP request with escaped slash characters can bypass Envoy\u0027s authorization mechanisms" }, { "acknowledgments": [ { "names": [ "the Istio Product Security Working Group" ] } ], "cve": "CVE-2021-31920", "cwe": { "id": "CWE-863", "name": "Incorrect Authorization" }, "discovery_date": "2021-05-10T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.src", "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.x86_64" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1959481" } ], "notes": [ { "category": "description", "text": "An authorization bypass flaw was found in Istio. This flaw allows an attacker to craft an HTTP request that defines a certain pattern of escaped characters in the URI path (such as %2F, %2f, %5C, or %5c), allowing them to bypass the authorization service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "istio/istio: HTTP request with escaped slash characters can bypass authorization mechanisms", "title": "Vulnerability summary" }, { "category": "other", "text": "This CVE addresses the specific fixes required in istio to support the vulnerability found in envoyproxy/envoy, CVE-2021-29492.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.src", "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.x86_64" ], "known_not_affected": [ "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.src", "8Base-OSSM-1.1:servicemesh-proxy-0:1.1.14-1.el8.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2021-31920" }, { "category": "external", "summary": "RHBZ#1959481", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1959481" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2021-31920", "url": "https://www.cve.org/CVERecord?id=CVE-2021-31920" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-31920", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-31920" }, { "category": "external", "summary": "https://istio.io/latest/news/security/istio-security-2021-005/", "url": "https://istio.io/latest/news/security/istio-security-2021-005/" } ], "release_date": "2021-05-11T19:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-05-11T23:31:30+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.src", "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:1540" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1" }, "products": [ "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.src", "8Base-OSSM-1.1:servicemesh-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-citadel-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-galley-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-istioctl-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-mixc-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-mixs-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-pilot-agent-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-pilot-discovery-0:1.1.14-1.el8.x86_64", "8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.ppc64le", "8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.s390x", "8Base-OSSM-1.1:servicemesh-sidecar-injector-0:1.1.14-1.el8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "istio/istio: HTTP request with escaped slash characters can bypass authorization mechanisms" } ] }
rhsa-2021_1538
Vulnerability from csaf_redhat
Published
2021-05-11 23:31
Modified
2024-11-05 23:32
Summary
Red Hat Security Advisory: Red Hat OpenShift Service Mesh 2.0.4 security update
Notes
Topic
An update for servicemesh and servicemesh-proxy is now available for OpenShift Service Mesh 2.0.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an on-premise OpenShift Container Platform installation.
Security Fix(es):
* envoyproxy/envoy: HTTP request with escaped slash characters can bypass Envoy's authorization mechanisms (CVE-2021-29492)
* istio/istio: HTTP request with escaped slash characters can bypass authorization mechanisms (CVE-2021-31920)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for servicemesh and servicemesh-proxy is now available for OpenShift Service Mesh 2.0.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "Red Hat OpenShift Service Mesh is Red Hat\u0027s distribution of the Istio service mesh project, tailored for installation into an on-premise OpenShift Container Platform installation.\n\nSecurity Fix(es):\n\n* envoyproxy/envoy: HTTP request with escaped slash characters can bypass Envoy\u0027s authorization mechanisms (CVE-2021-29492)\n\n* istio/istio: HTTP request with escaped slash characters can bypass authorization mechanisms (CVE-2021-31920)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2021:1538", "url": "https://access.redhat.com/errata/RHSA-2021:1538" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1951188", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1951188" }, { "category": "external", "summary": "1959481", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1959481" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_1538.json" } ], "title": "Red Hat Security Advisory: Red Hat OpenShift Service Mesh 2.0.4 security update", "tracking": { "current_release_date": "2024-11-05T23:32:36+00:00", "generator": { "date": "2024-11-05T23:32:36+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2021:1538", "initial_release_date": "2021-05-11T23:31:38+00:00", "revision_history": [ { "date": "2021-05-11T23:31:38+00:00", "number": "1", "summary": "Initial version" }, { "date": "2021-05-11T23:31:38+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-05T23:32:36+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "OpenShift Service Mesh 2.0", "product": { "name": "OpenShift Service Mesh 2.0", "product_id": "8Base-OSSM-2.0", "product_identification_helper": { "cpe": "cpe:/a:redhat:service_mesh:2.0::el8" } } } ], "category": "product_family", "name": "Red Hat OpenShift Service Mesh" }, { "branches": [ { "category": "product_version", "name": "servicemesh-0:2.0.4-1.el8.src", "product": { "name": "servicemesh-0:2.0.4-1.el8.src", "product_id": "servicemesh-0:2.0.4-1.el8.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/servicemesh@2.0.4-1.el8?arch=src" } } }, { "category": "product_version", "name": "servicemesh-proxy-0:2.0.4-1.el8.src", "product": { "name": "servicemesh-proxy-0:2.0.4-1.el8.src", "product_id": "servicemesh-proxy-0:2.0.4-1.el8.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/servicemesh-proxy@2.0.4-1.el8?arch=src" } } }, { "category": "product_version", "name": "servicemesh-operator-0:2.0.4-3.el8.src", "product": { "name": "servicemesh-operator-0:2.0.4-3.el8.src", "product_id": "servicemesh-operator-0:2.0.4-3.el8.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/servicemesh-operator@2.0.4-3.el8?arch=src" } } } ], "category": "architecture", "name": "src" }, { "branches": [ { "category": "product_version", "name": "servicemesh-0:2.0.4-1.el8.x86_64", "product": { "name": "servicemesh-0:2.0.4-1.el8.x86_64", "product_id": "servicemesh-0:2.0.4-1.el8.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/servicemesh@2.0.4-1.el8?arch=x86_64" } } }, { "category": "product_version", "name": "servicemesh-istioctl-0:2.0.4-1.el8.x86_64", "product": { "name": "servicemesh-istioctl-0:2.0.4-1.el8.x86_64", "product_id": "servicemesh-istioctl-0:2.0.4-1.el8.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/servicemesh-istioctl@2.0.4-1.el8?arch=x86_64" } } }, { "category": "product_version", "name": "servicemesh-mixc-0:2.0.4-1.el8.x86_64", "product": { "name": 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"relates_to_product_reference": "8Base-OSSM-2.0" }, { "category": "default_component_of", "full_product_name": { "name": "servicemesh-pilot-discovery-0:2.0.4-1.el8.x86_64 as a component of OpenShift Service Mesh 2.0", "product_id": "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.4-1.el8.x86_64" }, "product_reference": "servicemesh-pilot-discovery-0:2.0.4-1.el8.x86_64", "relates_to_product_reference": "8Base-OSSM-2.0" }, { "category": "default_component_of", "full_product_name": { "name": "servicemesh-proxy-0:2.0.4-1.el8.ppc64le as a component of OpenShift Service Mesh 2.0", "product_id": "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.ppc64le" }, "product_reference": "servicemesh-proxy-0:2.0.4-1.el8.ppc64le", "relates_to_product_reference": "8Base-OSSM-2.0" }, { "category": "default_component_of", "full_product_name": { "name": "servicemesh-proxy-0:2.0.4-1.el8.s390x as a component of OpenShift Service Mesh 2.0", "product_id": "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.s390x" }, "product_reference": "servicemesh-proxy-0:2.0.4-1.el8.s390x", "relates_to_product_reference": "8Base-OSSM-2.0" }, { "category": "default_component_of", "full_product_name": { "name": "servicemesh-proxy-0:2.0.4-1.el8.src as a component of OpenShift Service Mesh 2.0", "product_id": "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.src" }, "product_reference": "servicemesh-proxy-0:2.0.4-1.el8.src", "relates_to_product_reference": "8Base-OSSM-2.0" }, { "category": "default_component_of", "full_product_name": { "name": "servicemesh-proxy-0:2.0.4-1.el8.x86_64 as a component of OpenShift Service Mesh 2.0", "product_id": "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.x86_64" }, "product_reference": "servicemesh-proxy-0:2.0.4-1.el8.x86_64", "relates_to_product_reference": "8Base-OSSM-2.0" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "the Envoy security team" ] } ], "cve": "CVE-2021-29492", "cwe": { "id": "CWE-863", "name": "Incorrect Authorization" }, "discovery_date": "2021-04-19T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.src", "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.4-1.el8.x86_64" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1951188" } ], "notes": [ { "category": "description", "text": "An authorization bypass vulnerability was found in envoyproxy/envoy. An attacker can potentially craft an HTTP request that defines a certain pattern of escaped characters in the URI path (such as %2F, %2f, %5C or %5c), allowing them to bypass the envoy authorization service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "envoyproxy/envoy: HTTP request with escaped slash characters can bypass Envoy\u0027s authorization mechanisms", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.s390x", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.src", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.x86_64", "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.src", "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.x86_64" ], "known_not_affected": [ "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.src", "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.4-1.el8.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2021-29492" }, { "category": "external", "summary": "RHBZ#1951188", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1951188" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2021-29492", "url": "https://www.cve.org/CVERecord?id=CVE-2021-29492" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-29492", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29492" }, { "category": "external", "summary": "https://istio.io/latest/news/releases/1.9.x/announcing-1.9.5/", "url": "https://istio.io/latest/news/releases/1.9.x/announcing-1.9.5/" } ], "release_date": "2021-05-11T19:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-05-11T23:31:38+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.s390x", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.src", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.x86_64", "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.src", "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:1538" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L", "version": "3.1" }, "products": [ "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.s390x", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.src", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.x86_64", "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.src", "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "envoyproxy/envoy: HTTP request with escaped slash characters can bypass Envoy\u0027s authorization mechanisms" }, { "acknowledgments": [ { "names": [ "the Istio Product Security Working Group" ] } ], "cve": "CVE-2021-31920", "cwe": { "id": "CWE-863", "name": "Incorrect Authorization" }, "discovery_date": "2021-05-10T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.src", "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.x86_64" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1959481" } ], "notes": [ { "category": "description", "text": "An authorization bypass flaw was found in Istio. This flaw allows an attacker to craft an HTTP request that defines a certain pattern of escaped characters in the URI path (such as %2F, %2f, %5C, or %5c), allowing them to bypass the authorization service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "istio/istio: HTTP request with escaped slash characters can bypass authorization mechanisms", "title": "Vulnerability summary" }, { "category": "other", "text": "This CVE addresses the specific fixes required in istio to support the vulnerability found in envoyproxy/envoy, CVE-2021-29492.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.src", "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.s390x", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.src", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.x86_64", "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.4-1.el8.x86_64" ], "known_not_affected": [ "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.src", "8Base-OSSM-2.0:servicemesh-proxy-0:2.0.4-1.el8.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2021-31920" }, { "category": "external", "summary": "RHBZ#1959481", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1959481" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2021-31920", "url": "https://www.cve.org/CVERecord?id=CVE-2021-31920" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-31920", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-31920" }, { "category": "external", "summary": "https://istio.io/latest/news/security/istio-security-2021-005/", "url": "https://istio.io/latest/news/security/istio-security-2021-005/" } ], "release_date": "2021-05-11T19:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-05-11T23:31:38+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.src", "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.s390x", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.src", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.x86_64", "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.4-1.el8.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:1538" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1" }, "products": [ "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.src", "8Base-OSSM-2.0:servicemesh-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.s390x", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.src", "8Base-OSSM-2.0:servicemesh-operator-0:2.0.4-3.el8.x86_64", "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.4-1.el8.x86_64", "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.4-1.el8.ppc64le", "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.4-1.el8.s390x", "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.4-1.el8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "istio/istio: HTTP request with escaped slash characters can bypass authorization mechanisms" } ] }
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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- 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.