CVE-2019-6593

Description

On BIG-IP 11.5.1-11.5.4, 11.6.1, and 12.1.0, a virtual server configured with a Client SSL profile may be vulnerable to a chosen ciphertext attack against CBC ciphers. When exploited, this may result in plaintext recovery of encrypted messages through a man-in-the-middle (MITM) attack, despite the attacker not having gained access to the server's private key itself. (CVE-2019-6593 also known as Zombie POODLE and GOLDENDOODLE.)

References

Link	Tags
https://support.f5.com/csp/article/K10065173	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-6593?: CVE-2019-6593 has been scored as a medium severity vulnerability.
How to fix CVE-2019-6593?: To fix CVE-2019-6593, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-6593 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2019-6593 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-6593?: CVE-2019-6593 affects F5 Networks, Inc. BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator).

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Description

Category

CWE-327 – Use of a Broken or Risky Cryptographic Algorithm

References

Frequently Asked Questions