CVE-2025-67508: gardenctl Command Injection — Fix

Description

gardenctl is a command-line client for the Gardener which configures access to clusters and cloud provider CLI tools. When using non‑POSIX shells such as Fish and PowerShell, versions 2.11.0 and below of gardenctl allow an attacker with administrative privileges for a Gardener project to craft malicious credential values. The forged credential values are used in infrastructure Secret objects that break out of the intended string context when evaluated in Fish or PowerShell environments used by the Gardener service operators. This issue is fixed in version 2.12.0.

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CVSS v3.1 Score

8.4

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H

Weakness Type (CWE)

CWE-77 CWE-77

Affected Products

Vendor	Product	Versions
linuxfoundation	gardenctl	< 2.12.0

References

Advisories & Patches

https://github.com/gardener/gardenctl-v2/security/advisories/GHSA-fw33-qpx7-rhx2

Frequently Asked Questions

What is CVE-2025-67508? +

gardenctl is a command-line client for the Gardener which configures access to clusters and cloud provider CLI tools. When using non‑POSIX shells such as Fish and PowerShell, versions 2.11.0 and below of gardenctl allow an attacker with administrative privileges for a Gardener project to craft malicious credential values. The forged credential values are used in infrastructure Secret objects that break out of the intended string context when evaluated in Fish or PowerShell environments used by the Gardener service operators. This issue is fixed in version 2.12.0. It has a CVSS v3.1 base score of 8.4 (HIGH).

How severe is CVE-2025-67508? +

CVE-2025-67508 has a CVSS v3.1 score of 8.4 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-67508? +

CVE-2025-67508 affects products from linuxfoundation, specifically: gardenctl. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-67508? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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