4 results · Feed
-
High 8.3
Constellation allows insecure use of LUKS2 persistent storage partitions
Constellation is the first Confidential Kubernetes. The Constellation CVM image uses LUKS2-encrypted volumes for persistent storage. When opening an encrypted storage device, the CVM uses the libcryptsetup function crypt_activate_by_passhrase. If the VM is su…
-
High —
Constallation has pods exposed to peers in VPC
### Impact Cilium allows outside actors (`world` entity) to directly access pods with their internal pod IP, even if they are not exposed explicitly (e.g. via `LoadBalancer`). A pod that does not authenticate clients and that does not exclude `world` traffic …
-
High —
Constellation allows Emergency shell access during initramfs boot phase
### Impact An active attacker could let the boot fail on purpose in the initramfs, dropping the serial console into an emergency shell. This gives attackers with access to the serial console full control over the VM. ### Patches The issue has been patched in …
-
High —
User data in TPM attestation vulnerable to MITM
### Impact Attestation *user data* (such as the digest of the public key in an aTLS connection) was bound to the issuer's TPM, but not to its PCR state. An attacker could intercept a node initialization, initialize the node themselves, and then impersonate an…