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This POC uses OFPFlowStatsReply as an example. The OFPFlowStatsReply message will be accompanied by an OFPFlowStats structure, in which the length of OFPInstruction is tampered with to 0.
The text was updated successfully, but these errors were encountered:
This problem also occurs with the following code:
/ryu/ofproto/ofproto_v1_3_parser.py about line=4083
/ryu/ofproto/ofproto_v1_4_parser.py about line=3486
/ryu/ofproto/ofproto_v1_2_parser.py about line=2279
/ryu/ofproto/ofproto_v1_0_parser.py about line=956
in /ryu/ofproto/ofproto_v1_3_parser.py about line=4083
If inst.length =0,the offset will no longer change and the parsing will fall into an infinite loop.
payload:
poc:
This POC uses OFPFlowStatsReply as an example. The OFPFlowStatsReply message will be accompanied by an OFPFlowStats structure, in which the length of OFPInstruction is tampered with to 0.
The text was updated successfully, but these errors were encountered: