Shannon Baseband NrmmMsgCodec Emergency Number List Heap Buffer Overflow

Web: https://packetstormsecurity.com/files/171378/GS20230317134218.tgz

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 "Emergency number list" message (IEI = 0x34).

baseband buffer buffer overflow emergency heap buffer overflow overflow