USN-6431-3: iperf3 vulnerability

16 October 2023

iperf3 could be made to to stop responding if it received specially crafted network traffic.

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Releases

Packages

  • iperf3 - Internet Protocol bandwidth measuring tool

Details

USN-6431-1 fixed a vulnerability in iperf3. This update provides
the corresponding update for Ubuntu 22.04 LTS.

Original advisory details:

Jorge Sancho Larraz discovered that iperf3 did not properly manage certain
inputs, which could cause the server process to stop responding, waiting
for input on the control connection. A remote attacker could possibly use
this issue to cause a denial of service. (LP: #2038654)

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Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 22.04

In general, a standard system update will make all the necessary changes.

References

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Further reading