Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Ltm | >= 11.6.0, <= 11.6.2 |
| F5 | Big-Ip Application Acceleration Manager | >= 11.6.0, <= 11.6.2 |
| F5 | Big-Ip Afm | >= 11.6.0, <= 11.6.2 |
| F5 | Big-Ip Analytics | >= 11.6.0, <= 11.6.2 |
| F5 | Big-Ip Apm | >= 11.6.0, <= 11.6.2 |
| F5 | Big-Ip Asm | >= 11.6.0, <= 11.6.2 |
| F5 | Big-Ip Link Controller | >= 11.6.0, <= 11.6.2 |
| F5 | Big-Ip Pem | >= 11.6.0, <= 11.6.2 |
| F5 | Websafe | >= 12.0.0, <= 12.1.2 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/101901Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039839Third Party AdvisoryVDB Entry
- https://robotattack.org/Technical DescriptionThird Party Advisory
- https://support.f5.com/csp/article/K21905460Issue TrackingMitigationVendor Advisory
- https://www.kb.cert.org/vuls/id/144389Third Party AdvisoryUS Government Resource
- http://www.securityfocus.com/bid/101901Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039839Third Party AdvisoryVDB Entry
- https://robotattack.org/Technical DescriptionThird Party Advisory
- https://support.f5.com/csp/article/K21905460Issue TrackingMitigationVendor Advisory
- https://www.kb.cert.org/vuls/id/144389Third Party AdvisoryUS Government Resource
FAQ
What is CVE-2017-6168?
CVE-2017-6168 is a vulnerability with a CVSS score of 7.4 (HIGH). 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...
How severe is CVE-2017-6168?
CVE-2017-6168 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-6168?
Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Ltm, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Afm, F5 Big-Ip Analytics, F5 Big-Ip Apm.