GossipSub 1.1 Vulnerability: Persistent Misbehavior without Pruning

CVE-2022-47547 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

GossipSub 1.1, as used for Ethereum 2.0, allows a peer to maintain a positive score (and thus not be pruned from the network) even though it continuously misbehaves by never forwarding topic messages.

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