CVE-2022-26534 — HIGH (7.5)

Vulnerability Description

FISCO-BCOS release-3.0.0-rc2 was discovered to contain an issue where a malicious node, via a malicious viewchange packet, will cause normal nodes to change view excessively and stop generating blocks.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Fisco-Bcos	Fisco-Bcos	3.0.0

References

https://github.com/FISCO-BCOS/FISCO-BCOS/issues/2211ExploitIssue TrackingThird Party Advisory
https://github.com/FISCO-BCOS/FISCO-BCOS/issues/2211ExploitIssue TrackingThird Party Advisory

FAQ

What is CVE-2022-26534?

CVE-2022-26534 is a vulnerability with a CVSS score of 7.5 (HIGH). FISCO-BCOS release-3.0.0-rc2 was discovered to contain an issue where a malicious node, via a malicious viewchange packet, will cause normal nodes to change view excessively and stop generating blocks...

How severe is CVE-2022-26534?

CVE-2022-26534 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-26534?

Check the references section above for vendor advisories and patch information. Affected products include: Fisco-Bcos Fisco-Bcos.