USN-6431-1: iperf3 vulnerabilities

Publication date

16 October 2023

Overview

Several security issues were fixed in iperf3.


Packages

  • iperf3 - Internet Protocol bandwidth measuring tool

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)

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)

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)

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)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
20.04 focal iperf3 –  3.7-3ubuntu0.1~esm1  
libiperf0 –  3.7-3ubuntu0.1~esm1  
18.04 bionic iperf3 –  3.1.3-1ubuntu0.1~esm1  
libiperf0 –  3.1.3-1ubuntu0.1~esm1  
16.04 xenial iperf3 –  3.0.11-1ubuntu0.1~esm2  
libiperf0 –  3.0.11-1ubuntu0.1~esm2  

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