ROBOT Attack: Adaptive Chosen Ciphertext Vulnerability in BIG-IP Versions 11.6.0-11.6.2, 12.0.0-12.1.2 HF1, and 13.0.0-13.0.0 HF2

CVE-2017-6168 · MEDIUM Severity

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

On BIG-IP versions 11.6.0-11.6.2 (fixed in 11.6.2 HF1), 12.0.0-12.1.2 HF1 (fixed in 12.1.2 HF2), or 13.0.0-13.0.0 HF2 (fixed in 13.0.0 HF3) a virtual server configured with a Client SSL profile may be vulnerable to an Adaptive Chosen Ciphertext attack (AKA Bleichenbacher attack) against RSA, which when exploited, may result in plaintext recovery of encrypted messages and/or a Man-in-the-middle (MiTM) attack, despite the attacker not having gained access to the server's private key itself, aka a ROBOT attack.

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