CVE-2021-43668 — MEDIUM (5.5)

Vulnerability Description

Go-Ethereum 1.10.9 nodes crash (denial of service) after receiving a serial of messages and cannot be recovered. They will crash with "runtime error: invalid memory address or nil pointer dereference" and arise a SEGV signal.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Ethereum	Go Ethereum	1.10.9

Related Weaknesses (CWE)

CWE-476

References

https://github.com/ethereum/go-ethereum/issues/23866Third Party Advisory
https://github.com/ethereum/go-ethereum/issues/23866Third Party Advisory

FAQ

What is CVE-2021-43668?

CVE-2021-43668 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Go-Ethereum 1.10.9 nodes crash (denial of service) after receiving a serial of messages and cannot be recovered. They will crash with "runtime error: invalid memory address or nil pointer dereference"...

How severe is CVE-2021-43668?

CVE-2021-43668 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-43668?

Check the references section above for vendor advisories and patch information. Affected products include: Ethereum Go Ethereum.