Alerts This Week
Warning Icon 1 1,154
Alerts This Week
Warning Icon 1 1,154

Ubuntu 22.04 LTS and 23.04 USN-6431-2 Critical: Iperf3 DoS Risk

ubuntu
Calendar Grey October 16, 2023
Dist Ubuntu Esm H88
Notice regarding the iperf3 security flaw impacting Ubuntu 22.04 LTS and 23.04 has been issued to address potential denial of service concerns.
iperf3 could be made to crash if it received specially crafted network traffic.

Summary

iperf3 could be made to crash if it received specially crafted network

traffic.

Software Description:

- 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)

Topics%20covered

Topics Covered

security advisory denial of service update software fix ubuntu network issue iperf3

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 LTS:
   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

  https://ubuntu.com/security/notices/USN-6431-2

  https://ubuntu.com/security/notices/USN-6431-1

  CVE-2023-38403

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6431-2

Topics%20covered

Topics Covered

security advisory denial of service update software fix ubuntu network issue iperf3

Package Information

https://launchpad.net/ubuntu/+source/iperf3/3.12-1+deb12u1build0.23.04.1
https://launchpad.net/ubuntu/+source/iperf3/3.9-1+deb11u1build0.22.04.1

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here