USN-6431-2: iperf3 vulnerability

16 October 2023

iperf3 could be made to crash 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 and Ubuntu 23.04.

Original advisory details:

It was discovered that iperf3 did not properly manage certain inputs,
which could lead to a crash. A remote attacker could possibly use this
issue to cause a denial of service. (CVE-2023-38403)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 23.04
Ubuntu 22.04

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

References

Related notices

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