CVE-2023-6258

Summary

CVE-2023-6258 is a newly discovered vulnerability affecting the pkcs11-provider, a component used in Public-Key Cryptography Standards (PKCS#11) for cryptographic operations. This issue could lead to a Bleichenbacher-like security flaw, enabling a side-channel attacker to potentially decrypt PKCS#1.5 data. Successful exploitation of this vulnerability may compromise sensitive data protected by the affected system. The exact method of exploitation is still under investigation, but it is recommended that users update their pkcs11-provider implementations to mitigate this risk.

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