WebKit - WebAssembly Parsing Does not Correctly Check Section Order

When a WebAssembly binary is parsed in ModuleParser::parse, it is expected to contain certain sections in a certain order, but can also contain custom sections that can appear anywhere in the binary. The ordering check validateOrder does not adequately check that sections are in the correct order...

WebKit - WebAssembly Parsing Does not Correctly Check Section Order Vulnerability

Exploit for multiple platform in category dos / poc When a WebAssembly binary is parsed in ModuleParser::parse, it is expected to contain certain sections in a certain order, but can also contain custom sections that can appear anywhere in the binary. The ordering check validateOrder does not...