Mooncake transfer engine before 0.3.13 contains an untrusted pointer dereference in ServerSession::readHeader that allows unauthenticated attackers to read and write arbitrary process memory via the TCP transport data port. Attackers can send a crafted SessionHeader with arbitrary addr and size values using READ or WRITE opcodes to disclose KV cache contents, prompts and secrets or corrupt memory toward code execution.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
References 6
https://github.com/kvcache-ai/Mooncake
disclosure@vulncheck.com
https://github.com/kvcache-ai/Mooncake/blob/6041a609a8c3af35e778f70db344f145c29…
disclosure@vulncheck.com
https://github.com/kvcache-ai/Mooncake/commit/a2933849417259e562fc9cbad63c618d4…
disclosure@vulncheck.com
https://github.com/kvcache-ai/Mooncake/issues/4441
disclosure@vulncheck.com
https://github.com/kvcache-ai/Mooncake/releases/tag/v0.3.13
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/mooncake-transfer-engine-before-0.3.13-una…
disclosure@vulncheck.com