ghsa-97g8-xfvw-q4hg
Vulnerability from github
Published
2022-12-13 19:44
Modified
2023-09-20 22:30
Severity ?
Summary
Keycloak vulnerable to session takeover with OIDC offline refreshtokens
Details
An issue was discovered in Keycloak when using a client with the offline_access
scope. Reuse of session ids across root and user authentication sessions and a lack of root session validation enabled attackers to resolve a user session attached to a different previously authenticated user.
This issue most affects users of shared computers. Suppose a user logs out of their account (without clearing their cookies) in a mobile app or similar client that includes the offline_access
scope, and another user authenticates to the application. In that case, it will share the same root session id, and when utilizing the refresh token, they will be issued a token for the original user.
{ "affected": [ { "database_specific": { "last_known_affected_version_range": "\u003c= 19.0.2" }, "package": { "ecosystem": "Maven", "name": "org.keycloak:keycloak-parent" }, "ranges": [ { "events": [ { "introduced": "0" }, { "fixed": "20.0.2" } ], "type": "ECOSYSTEM" } ] } ], "aliases": [ "CVE-2022-3916" ], "database_specific": { "cwe_ids": [ "CWE-287", "CWE-304", "CWE-488", "CWE-613" ], "github_reviewed": true, "github_reviewed_at": "2022-12-13T19:44:33Z", "nvd_published_at": "2023-09-20T15:15:11Z", "severity": "MODERATE" }, "details": "An issue was discovered in Keycloak when using a client with the `offline_access` scope. Reuse of session ids across root and user authentication sessions and a lack of root session validation enabled attackers to resolve a user session attached to a different previously authenticated user.\n\nThis issue most affects users of shared computers. Suppose a user logs out of their account (without clearing their cookies) in a mobile app or similar client that includes the `offline_access` scope, and another user authenticates to the application. In that case, it will share the same root session id, and when utilizing the refresh token, they will be issued a token for the original user.", "id": "GHSA-97g8-xfvw-q4hg", "modified": "2023-09-20T22:30:19Z", "published": "2022-12-13T19:44:33Z", "references": [ { "type": "WEB", "url": "https://github.com/keycloak/keycloak/security/advisories/GHSA-97g8-xfvw-q4hg" }, { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-3916" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2022:8961" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2022:8962" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2022:8963" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2022:8964" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2022:8965" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2023:1043" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2023:1044" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2023:1045" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2023:1047" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2023:1049" }, { "type": "WEB", "url": "https://access.redhat.com/security/cve/CVE-2022-3916" }, { "type": "WEB", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2141404" }, { "type": "PACKAGE", "url": "https://github.com/keycloak/keycloak" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N", "type": "CVSS_V3" } ], "summary": "Keycloak vulnerable to session takeover with OIDC offline refreshtokens" }
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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