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Kubernetes: CVE-2019-9512: HTTP/2 reset flood leading to DoS

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Kubernetes: CVE-2019-9512: HTTP/2 reset flood leading to DoS

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
08/13/2019
Created
09/12/2019
Added
09/11/2019
Modified
03/13/2020

Description

Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service. The attacker sends continual pings to an HTTP/2 peer, causing the peer to build an internal queue of responses. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.

Solution(s)

  • kubernetes-upgrade-1_13_10
  • kubernetes-upgrade-1_14_6
  • kubernetes-upgrade-1_15_3

References

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