Description
The blockchain node in FISCO-BCOS V2.7.2 may have a bug when dealing with unformatted packet and lead to a crash. A malicious node can send a packet continuously. The packet is in an incorrect format and cannot be decoded by the node correctly. As a result, the node may consume the memory sustainably and crash. More details are shown at: https://github.com/FISCO-BCOS/FISCO-BCOS/issues/1951
References (1)
Core 1
Core References
Exploit, Patch, Third Party Advisory x_refsource_misc
https://github.com/FISCO-BCOS/FISCO-BCOS/issues/1951
Scores
CVSS v3
7.5
EPSS
0.0125
EPSS Percentile
65.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-20
Status
published
Products (1)
fisco-bcos/fisco-bcos
2.7.2
Published
Jun 24, 2021
Tracked Since
Feb 18, 2026