envoyproxy/envoy

wasm: metrics never expire and accumulate

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#14.070 geöffnet am 17.11.2020

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Beschreibung

Wasm filter implements the stats by allocating Envoy stats in the context and never de-allocating them. Since ABI encourages dynamic values, the stats accumulate and eventually leak (also, potentially exposing a security risk if stat values are untrusted).

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