CVE-2018-13390: Cloudtoken Insufficiently Protects Credentials
Summary
CVE-2018-13390: Cloudtoken Insufficiently Protects Credentials. Affects cloudtoken versions >= 0.1.1, < 0.1.24. Fixed in 0.1.24. How to fix ↓
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Background
Cloudtoken is a package available on PyPI that provides a daemon for managing AWS credentials. It allows users to authenticate and access AWS services using temporary credentials. The package is commonly used in Linux environments. However, versions 0.1.1 to 0.1.24 of Cloudtoken suffer from a vulnerability that allows unauthenticated access to the cloudtoken daemon, enabling attackers on the same subnet to gain temporary AWS credentials for the users' roles.
Vulnerability Detail
The vulnerability (CVE-2018-13390) in Cloudtoken arises from insufficient protection of credentials. Attackers who have network access to the cloudtoken daemon can exploit this vulnerability to obtain temporary AWS credentials for the affected users' roles. This can lead to unauthorized access to AWS resources and potential data breaches. The vulnerability has a CVSS score of 6.1, indicating a moderate severity level.
How To Fix
Latest published version: 2.1.18 as of 23 Oct 2026
pip install --upgrade "cloudtoken==2.1.18"Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
0.1.24
This is the first release that contains the fix.
pip install --upgrade "cloudtoken==0.1.24"Tip — 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. It is crucial to upgrade to the fixed version as soon as possible to mitigate the risk of unauthorized access to AWS resources.
Conclusion
The vulnerability in Cloudtoken (CVE-2018-13390) allows unauthenticated attackers on the same subnet to gain temporary AWS credentials for the affected users' roles. This can lead to unauthorized access to AWS resources and potential data breaches. It is recommended to upgrade Cloudtoken to version 0.1.24 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for cloudtoken →
FAQ
The vulnerability allows attackers on the same subnet to gain temporary AWS credentials for the affected users' roles. This can lead to unauthorized access to AWS resources and potential data breaches.
You can use Vulert's playground at Vulert Scanner to check if your Cloudtoken installation is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities without requiring access to the code or installation.
The CVSS score of this vulnerability is 6.1, indicating a moderate severity level.
No, only versions 0.1.1 to 0.1.24 of Cloudtoken are affected by this vulnerability. It is recommended to upgrade to version 0.1.24 or later.
There is no known exploit available for this vulnerability at the moment. However, it is crucial to upgrade to the fixed version to prevent potential unauthorized access.
