Description
Mooncake transfer engine through 0.3.13.post1 contains a memory exhaustion vulnerability in TransferMetadata::receivePeerNotify that allows unauthenticated attackers to grow process memory without limit. Attackers can repeatedly send notify frames up to 1 MB to the handshake RPC port, filling the uncapped notifys vector until the out-of-memory killer terminates the engine.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| kvcache-ai | Mooncake | ≤ 0.3.13.post1 | — |
References
- GitHub Issue #4445 issue-tracking
- https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-transfer-engine/src/transfer_metadata.cpp#L285-L296 technical-description
- https://github.com/kvcache-ai/Mooncake product
- VulnCheck Advisory: Mooncake transfer engine through 0.3.13.post1 Memory Exhaustion via Unbounded Notify Queue third-party-advisory