CVE-2025-7071

Timing side-channel vulnerability in AES-CBC decryption with PKCS#7 padding in ocrypto library

CVSS 5.9 MEDIUMEPSS 0.1%CWE-208 CWE-327

Padding oracle attack vulnerability in Oberon microsystem AG’s ocrypto library in all versions since 3.1.0 and prior to 3.9.2 allows an attacker to recover plaintexts via timing measurements of AES-CBC PKCS#7 decrypt operations.

CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Produtos afetados

Oberon microsystems AG · ocrypto

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Referências

https://www.oberon.ch/security-advisories/cve-2025-7071/