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Advisories

OpenAM before 16.1.3 SSRF via OpenID Connect Client jwks_uri

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severity
medium
date
Affecting

  • OpenAM >= 0, < 16.1.3

CWE
  • CWE-918 Server-Side Request Forgery (SSRF)
CVSS
5.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
Credit
arpitjain099, santhreal, alex-sc, jamesbishup, ayhambashtawi2-lang, maximthomas, tsujiguchitky
Description
OpenAM before 16.1.3 contains a server-side request forgery vulnerability that allows attackers able to register or modify OAuth 2.0 clients to make OpenAM fetch internal resources via an unvalidated jwks_uri. Attackers can trigger unauthenticated fetches through client-authentication and ID-token validation to probe internal hosts, metadata endpoints or local files, or exhaust request threads for denial of service.

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