USN-6431-3: iperf3 vulnerability
16 October 2023
iperf3 could be made to to stop responding if it received specially crafted network traffic.
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.
Original advisory details:
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
The problem can be corrected by updating your system to the following package versions:
Ubuntu 22.04
-
iperf3
-
3.9-1+deb11u1ubuntu0.1~esm1
Available with Ubuntu Pro
-
libiperf0
-
3.9-1+deb11u1ubuntu0.1~esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.