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[GHSA-9vm7-v8wj-3fqw] keycloak-core: open redirect via "form_post.jwt" JARM response mode #5117

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Dec 26, 2024
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[GHSA-9vm7-v8wj-3fqw] keycloak-core: open redirect via "form_post.jwt" JARM response mode #5117

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6 changes: 4 additions & 2 deletions advisories/github-reviewed/2024/01/GHSA-9vm7-v8wj-3fqw/GHSA-9vm7-v8wj-3fqw.json
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,9 @@
"id": "GHSA-9vm7-v8wj-3fqw",
"modified": "2024-01-23T14:43:50Z",
"published": "2024-01-23T14:43:50Z",
"aliases": [],
"aliases": [
"CVE-2023-6927"
],
"summary": "keycloak-core: open redirect via \"form_post.jwt\" JARM response mode",
"details": "An incomplete fix was found in Keycloak Core patch. An attacker can steal authorization codes or tokens from clients using a wildcard in the JARM response mode \"form_post.jwt\". It is observed that changing the response_mode parameter in the original proof of concept from \"form_post\" to \"form_post.jwt\" can bypass the security patch implemented to address CVE-2023-6134.",
"severity": [],
Expand Down Expand Up @@ -47,4 +49,4 @@
"github_reviewed_at": "2024-01-23T14:43:50Z",
"nvd_published_at": null
}
}
}
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