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GHSA-gf93-xccm-5g6j
No affected components available
Summary
Cross-namespace Secret access vulnerability in DiscoveryServiceCertificate allows users to bypass RBAC and access Secrets in unauthorized namespaces.
Affected Versions
All versions prior to v0.13.4
Patched Versions
v0.13.4 and later
Impact
Users with permission to create DiscoveryServiceCertificate resources in one namespace can indirectly read Secrets from other namespaces, completely bypassing Kubernetes RBAC security boundaries.
Workarounds
Restrict DiscoveryServiceCertificate create permissions to cluster administrators only until patched version is deployed.
Credit
Thanks to @debuggerchen for the responsible disclosure.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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