CVE-2018-13390: Unauthenticated Access to cloudtoken Daemon on Linux
Summary
CVE-2018-13390: Unauthenticated access to cloudtoken daemon on Linux via network from version 0.1.1 before version 0.1.24 allows attackers on the same subnet to gain temporary AWS credentials for the users' roles. Affects cloudtoken versions >= 0.1.1, < 0.1.24. Fixed in 0.1.24. How to fix ↓
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Background
The cloudtoken package is a PyPI package that provides a cloud token daemon on Linux. It allows users to manage temporary AWS credentials for their roles. The package is designed to facilitate secure access to cloud resources. However, versions 0.1.1 to 0.1.24 of the package suffer from an unauthenticated access vulnerability, which can be exploited by attackers on the same subnet to gain temporary AWS credentials for users' roles.
Vulnerability Detail
The vulnerability (CVE-2018-13390) in the cloudtoken package allows unauthorized access to the cloudtoken daemon on Linux. Attackers on the same subnet can exploit this vulnerability to obtain temporary AWS credentials for users' roles. This unauthorized access can lead to various security risks, including unauthorized access to sensitive cloud resources, data breaches, and potential privilege escalation. The vulnerability exists in versions 0.1.1 to 0.1.24 of the package.
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"
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Workaround
There is no known workaround for this vulnerability. It is essential to upgrade to the fixed version of the cloudtoken package to mitigate the risk of unauthorized access.
Conclusion
The unauthenticated access vulnerability in the cloudtoken package on Linux (CVE-2018-13390) allows attackers on the same subnet to gain temporary AWS credentials for users' roles. To mitigate this vulnerability, it is crucial to upgrade to version 0.1.24 or higher of the cloudtoken package. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability allows attackers on the same subnet to gain temporary AWS credentials for users' roles, potentially leading to unauthorized access to sensitive cloud resources and data breaches.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities, using just the Pipfile.lock file.
Yes, the fix for this vulnerability is available in version 0.1.24 of the cloudtoken package. It is recommended to upgrade to this version to mitigate the risk.
There are no known workarounds for this vulnerability. Upgrading to the fixed version is the recommended solution.
You can find more information about this vulnerability in the advisory database at https://github.com/pypa/advisory-database/blob/main/vulns/cloudtoken/PYSEC-2018-1.yaml