Input validation error in geth - CVE-2020-26264

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Main Vulnerability Database Vulnerabilities #VU48992

Input validation error in geth - CVE-2020-26264

Published: December 11, 2020 / Updated: December 15, 2020


Vulnerability identifier: #VU48992
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-26264
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
geth
Software vendor:
geth.ethereum.org

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted GetProofsV2 request and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links