CVE-2025-9071 — Insecure RSA-OAEP implementation with all-zero seed for padding in Oberon PSA Crypto

CVE-2025-9071

Insecure RSA-OAEP implementation with all-zero seed for padding in Oberon PSA Crypto PUBLISHED

Description (CNA)

Erroneously using an all-zero seed for RSA-OEAP padding instead of the generated random bytes, in Oberon microsystems AG’s Oberon PSA Crypto library in all versions up to 1.5.1, results in deterministic RSA and thus in a loss of confidentiality for guessable messages, recognition of repeated messages, and loss of security proofs.

Affected (CNA)

Vendor / product	Versions
Oberon microsystems AG / Oberon PSA Crypto	affected 1.0.0 through 1.5.1

CWE

CWE-780

References

https://www.oberon.ch/security-advisories/cve-2025-9071/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.