EFAIL: S/MIME CBC Malleability-Gadget Attack

CVE-2017-17689 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:N/A:N

The S/MIME specification allows a Cipher Block Chaining (CBC) malleability-gadget attack that can indirectly lead to plaintext exfiltration, aka EFAIL.

Learn more about our Web Application Penetration Testing UK.