Re:How Shopify Uses WebAssembly Outside of the Browser
by CyberRabbi on Saturday December 19, 2020 @08:15AM
(#25477213)
Running code in a wasm vm doesn’t magically prevent user code from exploiting uarch bugs. Lucet specifically does not mitigate spectre variant 2.
Edit. This is the strategy Chrome sandboxing uses: a hardened runtime (JS/WASM) inside a seccomp enclosure. https://chromium.googlesource.com/chromiumos/docs/+/master/s...