Race Condition Vulnerability in Docker.io Package: Data Corruption Risk
Summary
DEBIAN-CVE-2024-36623: moby through v25.0.3 has a Race Condition vulnerability in the streamformatter package which can be used to trigger multiple concurrent write operations resulting in data corruption or application crashes. Affects docker.io versions < 26.1.4+dfsg1-9. Fixed in 26.1.4+dfsg1-9. How to fix ↓
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Background
Docker.io is a widely used containerization platform that allows developers to automate the deployment of applications inside lightweight containers. It provides a consistent environment for applications, ensuring they run the same regardless of where they are deployed. However, a recent vulnerability has been identified that affects versions of Docker.io up to v25.0.3, posing a risk of data corruption and application crashes due to a race condition in the streamformatter package.
Vulnerability Detail
The vulnerability, identified as DEBIAN-CVE-2024-36623, originates from a race condition in the streamformatter package used by Docker.io. This flaw allows multiple concurrent write operations to occur, which can lead to data corruption or application crashes. The issue is particularly concerning as it can affect the stability and reliability of applications running within Docker containers, potentially leading to significant operational disruptions.
How To Fix
Minimum fixed version
26.1.4+dfsg1-9
This is the first release that contains the fix.
sudo apt-get install --only-upgrade docker.ioTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users can limit the number of concurrent write operations in their applications to mitigate the risk of data corruption until the package is updated. However, this is not a permanent solution and updating to the patched version is strongly recommended.
Conclusion
The race condition vulnerability in the Docker.io package poses significant risks, including data corruption and application crashes. It is crucial for users to update to the patched version to safeguard their applications. Monitoring tools like Vulert can assist in identifying vulnerabilities in real-time, ensuring better security practices.
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FAQ
A race condition occurs when two or more processes access shared data and try to change it at the same time. This can lead to unexpected behavior and data corruption.
If you are using Docker.io version 25.0.3 or earlier, your installation is affected by this vulnerability. You can check your version by running 'docker --version' in your terminal.
The main consequences include data corruption and application crashes, which can disrupt services and lead to loss of data integrity.
Yes, you can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities in your software using just a manifest file like package-lock.json. You can also check if your application is affected by this vulnerability using the Vulert playground without any signup.
If an immediate update is not possible, consider implementing the suggested workaround of limiting concurrent write operations. However, plan to update as soon as possible to ensure your system's security.
References
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