nyx/tests/dynamic_fixtures/cpp/libfuzzer/vuln.cpp
2026-06-05 10:16:30 -05:00

17 lines
512 B
C++

// Phase 16 — libFuzzer entry, vulnerable. Cap: CODE_EXEC.
#include <cstddef>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <string>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
std::printf("__NYX_SINK_HIT__\n");
std::fflush(stdout);
if (size == 0 || size > 2048) return 0;
std::string payload(reinterpret_cast<const char*>(data), size);
std::string cmd = std::string("echo hello ") + payload;
std::system(cmd.c_str());
return 0;
}