Moderate: nginx security update
Summary
ALSA-2023:5711: Moderate: nginx security update. Affects nginx versions < 1:1.20.1-14.el9_2.1.alma.1. Fixed in 1:1.20.1-14.el9_2.1.alma.1. How to fix ↓
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Background
nginx is a web and proxy server that supports HTTP and other protocols. It is known for its high concurrency, performance, and low memory usage. The vulnerability affects multiple HTTP/2 enabled web servers and can lead to a DDoS attack known as the Rapid Reset Attack.
Vulnerability Detail
The vulnerability (CVE-2023-44487) in nginx allows for a DDoS attack on web servers that have HTTP/2 enabled. This attack, known as the Rapid Reset Attack, can have a significant impact on the availability and performance of the affected servers. It is important to address this vulnerability to prevent potential service disruptions and ensure the security of the web server infrastructure.
How To Fix
Minimum fixed version
1:1.20.1-14.el9_2.1.alma.1
This is the first release that contains the fix.
sudo dnf update nginxTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability. The recommended solution is to apply the security update as soon as possible.
Conclusion
It is crucial to address the nginx vulnerability (CVE-2023-44487) by updating the package to the recommended version. This will mitigate the risk of a DDoS attack and ensure the security and availability of the web server infrastructure. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for nginx →
FAQ
nginx is a web and proxy server that supports HTTP and other protocols. It is designed for high concurrency, performance, and low memory usage.
The vulnerability allows for a DDoS attack on web servers with HTTP/2 enabled, potentially leading to service disruptions and performance degradation.
To fix the vulnerability, update the nginx package to version 1.20.1-14.el9_2.1.alma.1 or later.
The security update can be obtained from the official AlmaLinux repository or through package management tools.
No specific workaround is mentioned for this vulnerability. It is recommended to apply the security update.
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