high
7.4
CWE
203
Advisory Published
Updated

CVE-2017-6168

First published: Fri Nov 17 2017(Updated: )

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.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 Big-ip Ltm>=11.6.0<=11.6.2
F5 Big-ip Ltm>=12.0.0<=12.1.2
F5 Big-ip Ltm=13.0.0
F5 Big-ip Application Acceleration Manager>=11.6.0<=11.6.2
F5 Big-ip Application Acceleration Manager>=12.0.0<=12.1.2
F5 Big-ip Application Acceleration Manager=13.0.0
F5 Big-ip Afm>=11.6.0<=11.6.2
F5 Big-ip Afm>=12.0.0<=12.1.2
F5 Big-ip Afm=13.0.0
F5 BIG-IP Analytics>=11.6.0<=11.6.2
F5 BIG-IP Analytics>=12.0.0<=12.1.2
F5 BIG-IP Analytics=13.0.0
F5 BIG-IP APM>=11.6.0<=11.6.2
F5 BIG-IP APM>=12.0.0<=12.1.2
F5 BIG-IP APM=13.0.0
F5 Big-ip Asm>=11.6.0<=11.6.2
F5 Big-ip Asm>=12.0.0<=12.1.2
F5 Big-ip Asm=13.0.0
F5 Big-ip Link Controller>=11.6.0<=11.6.2
F5 Big-ip Link Controller>=12.0.0<=12.1.2
F5 Big-ip Link Controller=13.0.0
F5 Big-ip Pem>=11.6.0<=11.6.2
F5 Big-ip Pem>=12.0.0<=12.1.2
F5 Big-ip Pem=13.0.0
F5 Websafe>=12.0.0<=12.1.2
F5 Websafe=11.6.2
F5 Websafe=13.0.0

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Reference Links

Frequently Asked Questions

  • What is CVE-2017-6168?

    CVE-2017-6168 is a vulnerability that affects F5 BIG-IP versions 11.6.0-11.6.2, 12.0.0-12.1.2, and 13.0.0. It allows an Adaptive Chosen Ciphertext attack against RSA on virtual servers configured with a Client SSL profile.

  • How severe is CVE-2017-6168?

    CVE-2017-6168 has a severity rating of 7.4 (high).

  • How can I fix CVE-2017-6168?

    You can fix CVE-2017-6168 by updating your F5 BIG-IP software to version 11.6.2 HF1 (or later) for versions 11.6.0-11.6.2, 12.1.2 HF2 (or later) for versions 12.0.0-12.1.2, or 13.0.0 HF3 (or later) for version 13.0.0.

  • Are there any references related to CVE-2017-6168?

    Yes, you can find more information about CVE-2017-6168 at the following references: [1] [2] [3].

  • What is the CWE ID for CVE-2017-6168?

    The CWE ID for CVE-2017-6168 is 203.

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