CVE-2024-30249
📋 TL;DR
This vulnerability in Cloudburst Network allows attackers to use the software as an amplification vector for UDP denial-of-service attacks against third parties, potentially causing service suspension of affected hosts. All users of Cloudburst Network versions prior to 1.0.0.CR1-20240330.101522-15 are affected. The vulnerability enables reflection/amplification attacks using UDP protocols.
💻 Affected Systems
- Cloudburst Network
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could launch massive DDoS attacks against third-party targets using vulnerable systems as amplifiers, potentially causing widespread service disruption and triggering service suspension of the amplification hosts themselves.
Likely Case
Vulnerable systems could be used in DDoS botnets to amplify attack traffic against external targets, consuming network bandwidth and potentially causing service degradation.
If Mitigated
With proper patching, the amplification vector is eliminated, preventing systems from being used in reflection attacks while maintaining normal functionality.
🎯 Exploit Status
UDP amplification attacks are well-understood and easily automated. No authentication required to trigger the amplification.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.0.CR1-20240330.101522-15 or later
Vendor Advisory: https://github.com/CloudburstMC/Network/security/advisories/GHSA-6h3m-c6fv-8hvh
Restart Required: Yes
Instructions:
1. Update Cloudburst Network dependency to version 1.0.0.CR1-20240330.101522-15 or later. 2. Rebuild and redeploy any applications using Cloudburst Network. 3. Restart affected services.
🔧 Temporary Workarounds
No workarounds available
allThe vendor states there are no known workarounds beyond updating the library.
🧯 If You Can't Patch
- Restrict network access to Cloudburst Network services using firewall rules to allow only trusted sources.
- Monitor network traffic for unusual UDP amplification patterns and implement rate limiting.
🔍 How to Verify
Check if Vulnerable:
Check the version of Cloudburst Network in your project dependencies or deployed application. If using Maven/Gradle, check the dependency version.Check Version:
For Java applications: check pom.xml or build.gradle for Cloudburst Network dependency version. For deployed systems: check application logs or configuration files.Verify Fix Applied:
Verify that Cloudburst Network version is 1.0.0.CR1-20240330.101522-15 or later in your dependency management file or deployed application.📡 Detection & Monitoring
Log Indicators:
- Unusually high UDP traffic from Cloudburst Network services
- Spike in network bandwidth usage
- Service suspension notifications
Network Indicators:
- Large volume of UDP packets with spoofed source IPs originating from your network
- Asymmetric traffic patterns (small requests generating large responses)
SIEM Query:
source_port:udp AND (dest_ip:external AND bytes_out > 1000000) AND application:"Cloudburst Network"