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Circle (.circle) Ignored Verifier PoC
CWE-252/CWE-125: BaseLoader discards VerifyModelBuffer() return -> OOB READ
Bug
Samsung/ONE BaseLoader.h:1704 calls VerifyModelBuffer() but discards the boolean return value. Proceeds to parse unverified flatbuffer data. Corrupted vector lengths cause OOB reads.
Variant 1: Inflated tensor shape vector (count 2 -> 0x40000000) -> heap-buffer-overflow READ Variant 2: Inflated subgraphs vector (count 1 -> 4096) -> SEGV at unmapped address
Both CircleLoader (.circle) and TFLiteLoader (.tflite) inherit the vulnerable loadModel().
Build & Run
g++ -std=c++17 -fsanitize=address -g -O0 -I gen -I ONE/onert-micro/externals harness.cpp -o harness
./harness # heap-buffer-overflow READ
./harness 2 # SEGV READ
Fix
One line: if (!VerifyModelBuffer(...)) throw ...;
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