Patch Ticker

Cocos AI checks attestation only once, trusting stale state on open TLS connections

Changed devices in confidential AI systems can keep being trusted during a connection.

Summary

Cocos AI performs attestation only once when a TLS connection is established. An attacker who changes the attester's code, state, configuration or devices afterward can keep the connection open while the peer keeps trusting the old evidence. Versions before 0.9.0 are affected.

Affected when

  • Cocos AI before 0.9.0

What to do

Update Cocos AI to 0.9.0 or later.

Products and platforms

  • cocos

CVE IDs

Sources

Times

First published

First seen