Shannon Baseband NrmmMsgCodec Access Category Definitions Heap Buffer Overflow

Cyber Legion
March 17, 2023

There is a heap buffer overflow in Shannon Baseband, inside the 5G MM protocol implementation (NrmmMsgCodec as it is called in Shannon according to debug strings), specifically when handling the Operator-defined access category definitions message (IEI = 0x76). Exploit Files ≈ Packet Storm

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CVE-2023-43640

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Elasticsearch version 8.5.3 stack overflow proof of concept exploit. Exploit Files ≈ Packet Storm

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Shannon Baseband NrmmMsgCodec Access Category Definitions Heap Buffer Overflow

More To Explore

CVE-2023-43640

Elasticsearch 8.5.3 Stack Overflow

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