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Bug #4998
closedPersistent Interest loop with malformed Selectors
Status:
Closed
Priority:
Normal
Assignee:
-
Category:
Faces
Target version:
-
Start date:
Due date:
% Done:
0%
Estimated time:
Description
Steps to reproduce:
echo 0542073208036e646e080962726f6164636173740820$(makepasswd | openssl sha256 | awk '{print $2}')090214000a0483a975840c021388 \
| xxd -r -p | nc hobo.cs.arizona.edu 6363
This injects a malformed packets of structure:
Interest
Name
GenericNameComponent ndn
GenericNameComponent broadcast
GenericNameComponent [RANDOM]
Selectors
MetaInfo (empty)
Nonce 0x83a97584
InterestLifetime 5000
Expected: NFD drops the malformed packet.
Actual: persistent Interest loop occurs across the testbed.
This was observed on global testbed on 04 Sep 2019. Steps above were developed according to captured packet samples.
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