Description
Angel through 3.3.0 deserializes untrusted setAlgoMetrics payload using Kryo without class registration or allowlist validation. Unauthenticated network attackers can instantiate arbitrary classes or exhaust coordinator memory by sending crafted serialized objects to the master RPC endpoint.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Angel-ML | angel | ≤ 3.3.0 | — |
References
- GitHub Issue #1355 issue-tracking
- https://github.com/Angel-ML/angel product
- deserializeAlgoMetric reads an arbitrary class and casts only after construction technical-description
- VulnCheck Advisory: Angel through 3.3.0 Unauthenticated Kryo Deserialization of Arbitrary Classes third-party-advisory