Secure Your Network Today: Expert Guide to Patching Curl CVE-2024–11053
While building a simple application, I discovered a low-level vulnerability in the official Nginx server, identified as CVE-2024–11053. Though its severity might seem low level, ensuring system security means addressing even the smallest weaknesses. In cybersecurity, leaving no stone unturned is crucial — every open door or unnoticed crack could pose a risk to system stability and reliability. By understanding and mitigating such vulnerabilities, we strengthen our defenses and ensure our applications run securely and efficiently.
Table of contents
a. Introduction CVE-2024–11053
CVE-2024–11053 is published on 11 December 2024, which the point is When instructed to use a .netrc file for credentials and follow HTTP redirects, curl could inadvertently expose the password from the initial host to the redirect target under specific conditions. This issue occurs if the .netrc file contains an entry matching the redirect target’s hostname but lacks either the password alone or both the login and password fields. In the other hand, this vulnerability is affected to the curl versions 6.5 to and including 8.11.0. But the severity for this impact is low level.
b. Solution
The solutions for this case is simple, just upgrade the curl version to 8.11.1-r0 which the latest versions for now.
# Use the official NGINX image from the Docker Hub
FROM nginx:stable-alpine3.20
# Copy custom configuration file from the current directory
COPY nginx.conf /etc/nginx/nginx.conf
# Copy static website files
COPY index.html /usr/share/nginx/html
# Install specific version of curl
RUN apk add --no-cache curl=8.11.1-r0
# Check Alpine Linux version and curl version
RUN echo "Alpine Linux version:" && cat /etc/alpine-release && echo "curl version:" && curl --version
Thank you for taking the time to read my article. If you have any questions, need further clarification, or wish to discuss technology-related topics, feel free to reach out to me via email. I’m always open to sharing insights, collaborating on projects, or offering guidance on your tech journey. Let’s connect and build something amazing together! wicaksanasadewa@proton.me