Heap Buffer Overflow Vulnerability in Netdata Package - CVE-2024-34250
Summary
UBUNTU-CVE-2024-34250: A heap buffer overflow vulnerability was discovered in Bytecode Alliance wasm-micro-runtime v2.0.0 which allows a remote attacker to cause at least a denial of service via the "wasm_loader_check_br" function in core/iwas... Affects netdata versions < 1.44.3-2ubuntu0.1. Fixed in 1.44.3-2ubuntu0.1. How to fix ↓
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Background
Netdata is a real-time performance monitoring tool that provides insights into system metrics, application performance, and resource usage. It is designed to help users visualize and analyze their systems' health and performance. The package includes various components such as netdata-core, netdata-web, and plugins for enhanced functionality. However, a vulnerability has been identified that could allow remote attackers to exploit the system.
Vulnerability Detail
A heap buffer overflow vulnerability was discovered in Bytecode Alliance wasm-micro-runtime v2.0.0, specifically within the 'wasm_loader_check_br' function in core/iwasm/interpreter/wasm_loader.c. This vulnerability could allow a remote attacker to cause a denial of service, potentially leading to system instability or crashes. The issue arises from improper handling of memory, which can be exploited if an attacker sends specially crafted input to the affected components.
How To Fix
Minimum fixed version
1.44.3-2ubuntu0.1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade netdataTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, you can disable the affected components of Netdata until the package is updated. This can be done by stopping the Netdata service using the command:
sudo systemctl stop netdata
However, this will limit your monitoring capabilities until the vulnerability is resolved.
Conclusion
The heap buffer overflow vulnerability in the Netdata package (CVE-2024-34250) poses a significant risk, allowing remote attackers to potentially disrupt service. It is crucial for users to update to the patched version to safeguard their systems. Regular monitoring and timely updates are essential to maintaining security.
See every vulnerability recorded for netdata →
FAQ
CVE-2024-34250 is a vulnerability in the Netdata package that allows remote attackers to exploit a heap buffer overflow, potentially causing a denial of service.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
The CVSS score of this vulnerability is 6.2, indicating a medium severity level.
If an immediate update is not possible, consider disabling the affected components temporarily to mitigate the risk until you can apply the patch.
More information can be found in the Ubuntu security notices and the official GitHub repository for Ubuntu security notices.
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