USN-6431-2: iperf3 vulnerability

Published Oct 16, 2023
·
Updated

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)

Affected Software

8 affected componentsFixes available
All of the following
ubuntu/iperf3<3.12-1+deb12u1build0.23.04.1
3.12-1+deb12u1build0.23.04.1
Ubuntu Ubuntu=23.04
All of the following
ubuntu/libiperf0<3.12-1+deb12u1build0.23.04.1
3.12-1+deb12u1build0.23.04.1
Ubuntu Ubuntu=23.04
All of the following
ubuntu/iperf3<3.9-1+deb11u1build0.22.04.1
3.9-1+deb11u1build0.22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libiperf0<3.9-1+deb11u1build0.22.04.1
3.9-1+deb11u1build0.22.04.1
Ubuntu Ubuntu=22.04

Event History

Oct 16, 2023
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

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Frequently Asked Questions

1

What is the vulnerability ID for this iperf3 vulnerability?

The vulnerability ID for this iperf3 vulnerability is USN-6431-2.

2

What is the affected software for this vulnerability?

The affected software for this vulnerability is iperf3 version 3.12-1+deb12u1build0.23.04.1 on Ubuntu 23.04, and iperf3 version 3.9-1+deb11u1build0.22.04.1 on Ubuntu 22.04.

3

What is the severity of USN-6431-2?

The severity of USN-6431-2 has not been provided.

4

How do I fix the iperf3 vulnerability on Ubuntu 23.04?

To fix the iperf3 vulnerability on Ubuntu 23.04, update the iperf3 package to version 3.12-1+deb12u1build0.23.04.1.

5

How do I fix the iperf3 vulnerability on Ubuntu 22.04?

To fix the iperf3 vulnerability on Ubuntu 22.04, update the iperf3 package to version 3.9-1+deb11u1build0.22.04.1.

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