Vulnerability · Published Oct 26, 2021 · Assigned by GitHub_M

CVE-2021-41173DoS via maliciously crafted p2p message

Medium 5.7

In plain English

A medium-severity improper input validation in go-ethereum from ethereum. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.7Medium

Exploit odds (30 days)1.2%top 30.7% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Go Ethereum is the official Golang implementation of the Ethereum protocol. Prior to version 1.10.9, a vulnerable node is susceptible to crash when processing a maliciously crafted message from a peer. Version v1.10.9 contains patches to the vulnerability. There are no known workarounds aside from upgrading.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Go	github.com/ethereum/go-ethereum	1.10.9	GHSA-59hh-656j-3p7v
Go	github.com/ethereum/go-ethereum	1.10.9	GO-2022-0256

Affected products (as reported)

Vendor	Product	Versions
ethereum	go-ethereum	< 1.10.9

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

References

https://github.com/ethereum/go-ethereum/security/advisories/GHSA-59hh-656j-3p7v x_refsource_CONFIRM
https://github.com/ethereum/go-ethereum/pull/23801 x_refsource_MISC
https://github.com/ethereum/go-ethereum/commit/e40b37718326b8b4873b3b00a0db2e6c6d9ea738 x_refsource_MISC
https://github.com/ethereum/go-ethereum/releases/tag/v1.10.9 x_refsource_MISC