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CVE-2025-27370

MEDIUM

6.9

Description

OpenID Connect Core through 1.0 errata set 2 allows audience injection in certain situations. When the private_key_jwt authentication mechanism is used, a malicious Authorization Server could trick a Client into writing attacker-controlled values into the audience, including token endpoints or issuer identifiers of other Authorization Servers. The malicious Authorization Server could then use these private key JWTs to impersonate the Client.

Details CVE

Score CVSS v3.16.9

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:N

Vecteur d'attaqueNETWORK

ComplexiteHIGH

Privileges requisNONE

Interaction utilisateurREQUIRED

Publie3/3/2025

Derniere modification4/25/2025

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-305

References

https://eprint.iacr.org/2025/629(cve@mitre.org)

https://github.com/OWASP/ASVS/issues/2678(cve@mitre.org)

https://openid.net/notice-of-a-security-vulnerability/(cve@mitre.org)

https://openid.net/wp-content/uploads/2025/01/OIDF-Responsible-Disclosure-Notice-on-Security-Vulnerability-for-private_key_jwt.pdf(cve@mitre.org)

https://talks.secworkshop.events/osw2025/talk/R8D9BS/(cve@mitre.org)

Correlations IOC

Aucune correlation enregistree

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