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OpenVINO IR (.xml/.bin) Integer Overflow PoC
CWE-190/CWE-125: offset+size overflow in xml_deserialize_util.cpp -> OOB READ
Bug
XML <data offset="..." size="..."> attributes: offset+size overflows size_t, bounds check passes. Pointer goes OOB.
4 instances:
- Main constant path (line 895) -> SEGV
- String tensor path (line 828) -> heap-buffer-overflow READ
- shape_size unsafe multiply (line 904) -> validation bypass (safe version exists but unused!)
- Preprocessing mean path (input_model.cpp:136) -> same pattern
OpenVINO HAS shape_size_safe() and mul_overflow() but doesn't use them in the IR deserializer.
Build & Run
g++ -std=c++17 -fsanitize=address -g -O0 -o harness harness.cpp
./harness # offset+size overflow -> SEGV
./harness variant2 # offset+size -> heap-buffer-overflow
./harness shape # shape_size overflow (validation bypass)
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