CVE Vulnerability

CVE-2021-35041

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

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/FISCO-BCOS/FISCO-BCOS/issues/1951 Exploit Patch
Configurations

Configuration 1

cpe:2.3:a:fisco-bcos:fisco-bcos:2.7.2:*:*:*:*:*:*:*
Information

Published : 2021-06-24 12:15

Updated : 2022-07-12 05:42

NVD link : CVE-2021-35041

Mitre link : CVE-2021-35041

Products Affected
No products.
CWE
CWE-20