CVE-2024-37307: Cilium Leaks Sensitive Information in cilium-bugtool
Summary
CVE-2024-37307: Cilium leaks sensitive information in cilium-bugtool in github.com/cilium/cilium. Affects github.com/cilium/cilium across 3 version ranges.
>= 1.13.0, < 1.13.17
>= 1.14.0, < 1.14.12
>= 1.15.0, < 1.15.6
Fixed in 1.13.17, 1.14.12 or 1.15.6, depending on the release line you run. How to fix ↓
Also tracked for
- hubble-ui · Bitnami
- hubble-ui-backend · Bitnami
- cilium-proxy · Bitnami
- hubble-relay · Bitnami
- hubble · Bitnami
- cilium · Bitnami
- cilium-operator · Bitnami
The same CVE-2024-37307 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
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Background
Cilium is an open-source project written in Go that provides networking and security services for containers and microservices. It aims to secure network connectivity between application services and enforce fine-grained security policies. The cilium-bugtool is a utility tool within the Cilium project that helps users troubleshoot and diagnose issues. However, a vulnerability has been discovered in the cilium-bugtool that leads to the leakage of sensitive information.
Vulnerability Detail
The vulnerability in cilium-bugtool allows for the unintended exposure of sensitive information. This can include confidential data such as IP addresses, network configurations, and potentially even credentials. The issue arises due to improper handling of certain data within the tool. An attacker with access to the tool or its output could exploit this vulnerability to gain unauthorized access to sensitive information, potentially leading to further security breaches or unauthorized actions.
How To Fix
Latest published version: v1.20.3 as of 22 Oct 2026
go get github.com/cilium/cilium@v1.20.3Upgrading to it may include breaking changes; the versions below are the minimum fixed release for this vulnerability.
If you can't move to the latest
The minimum fixed version depends on the release line you run.
-
>= 1.13.0, < 1.13.171.13.17go get github.com/cilium/cilium@v1.13.17 -
>= 1.14.0, < 1.14.121.14.12go get github.com/cilium/cilium@v1.14.12 -
>= 1.15.0, < 1.15.61.15.6go get github.com/cilium/cilium@v1.15.6
Tip — Not sure which release line you're on? Vulert can find the fix for the version you are using. Scan free →
Workaround
There is no specific workaround available for this vulnerability. It is essential to update to the fixed versions mentioned above to address the issue effectively.
Conclusion
The vulnerability in cilium-bugtool exposes sensitive information, posing a risk to the security and confidentiality of data. It is crucial to update to the fixed versions of Cilium (1.13.17, 1.14.12, or 1.15.6) to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for github.com/cilium/cilium →
FAQ
Cilium is an open-source project that provides networking and security services for containers and microservices. It aims to secure network connectivity between application services and enforce fine-grained security policies.
cilium-bugtool is a utility tool within the Cilium project that helps users troubleshoot and diagnose issues.
The vulnerability in cilium-bugtool can lead to the exposure of sensitive information, including IP addresses, network configurations, and potentially credentials. This can result in unauthorized access or further security breaches.
To fix this vulnerability, it is recommended to upgrade to a fixed version of Cilium. The versions 1.13.17, 1.14.12, and 1.15.6 contain the necessary patches.
There is no specific workaround available for this vulnerability. Updating to the fixed versions is the recommended solution.
Related vulnerabilities
Recent vulnerabilities recorded for github.com/cilium/cilium.
