Important: iperf3 security update
Summary
ALSA-2023:4571: Important: iperf3 security update. Affects iperf3 versions < 3.9-10.el9_2.alma. Fixed in 3.9-10.el9_2.alma. How to fix ↓
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Background
Iperf is a tool used for measuring maximum TCP bandwidth and tuning various parameters and UDP characteristics. It provides information on bandwidth, delay jitter, and datagram loss. The iperf3 package in AlmaLinux 9 is affected by a security vulnerability.
Vulnerability Detail
The vulnerability in iperf3 is related to a memory allocation hazard that can lead to a crash. This vulnerability is identified as CVE-2023-38403. An attacker could exploit this vulnerability to cause a denial of service (DoS) condition or potentially execute arbitrary code.
How To Fix
Minimum fixed version
3.9-10.el9_2.alma
This is the first release that contains the fix.
sudo dnf update iperf3Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
To mitigate the security risk posed by this vulnerability, it is crucial to update the iperf3 package to version 3.9-10.el9_2.alma or later. This update includes the necessary security patches to address the memory allocation hazard and prevent crashes. For further support on vulnerability remediation, you can reach out to DevNack.com.
See every vulnerability recorded for iperf3 →
FAQ
Iperf is a tool used for measuring maximum TCP bandwidth and tuning various parameters and UDP characteristics.
The vulnerability can lead to a crash or potential execution of arbitrary code, posing a risk of denial of service or unauthorized access.
You can use the Vulert Playground at Vulert Scanner to check if your application is affected by this vulnerability. Simply upload your manifest file (e.g., package-lock.json) to the playground and it will alert you in real-time.
No specific workaround has been provided for this vulnerability. It is recommended to update the iperf3 package to the latest version.
You can refer to the CVE page for CVE-2023-38403 for more details about the impact, CVSS score, acknowledgments, and related information.
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