Facebook.Fizz.TLS.1.3.Early.Data.Integer.Overflow.DoS

description-logoDescription

This indicates an attack attempt to exploit a Denial of Service Vulnerability in Facebook Fizz
A remote, unauthenticated attacker can exploit this vulnerability by sending a specially crafted TLS 1.3 Client Hello. When the vulnerability is triggered, the vulnerable application enters an infinite loop, and a denial-of-service condition is achieved.

affected-products-logoAffected Products

Facebook Fizz prior to v2019.02.25.00

Impact logoImpact

Denial of Service: Remote attackers can crash vulnerable systems.

recomended-action-logoRecommended Actions

Apply the most recent upgrade or patch from the vendor.
https://github.com/facebookincubator/fizz/commit/40bbb161e72fb609608d53b9d64c56bb961a6ee2

Telemetry logoTelemetry

Coverage

IPS (Regular DB)
IPS (Extended DB)

Version Updates

Date Version Detail
2019-04-23 14.598 Default_action:pass:drop
2019-04-10 14.590