CVE-2017-6168 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Reference

http://www.securityfocus.com/bid/101901 http://www.securitytracker.com/id/1039839 https://robotattack.org/ https://support.f5.com/csp/article/K21905460 https://www.kb.cert.org/vuls/id/144389

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.4