USN-6431-2: iperf3 vulnerability

Releases

• Ubuntu 23.04
• Ubuntu 22.04 LTS

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)

Update instructions

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

Ubuntu 23.04

• iperf3 - 3.12-1+deb12u1build0.23.04.1
• libiperf0 - 3.12-1+deb12u1build0.23.04.1

Ubuntu 22.04

• iperf3 - 3.9-1+deb11u1build0.22.04.1
• libiperf0 - 3.9-1+deb11u1build0.22.04.1

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

References

• CVE-2023-38403

Related notices

• USN-6431-1: libiperf0, libiperf-dev, iperf3