CVE-2022-37450: Github.com/ethereum/go ethereum Go Ethereum Allows Attackers To Vulnerability

MODERATE
Advisory Identifier: GHSA-rqmg-hrg4-fm69
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CVSS 5.9
Published
Advisory Summary

CVE-2022-37450 is a MODERATE (CVSS 5.9) go ethereum allows attackers to vulnerability (General Security Weakness) affecting Github.com/ethereum/go ethereum libraries in the Go ecosystem. The issue involves go ethereum allows attackers to use manipulation of time-difference values to achieve replacement of main-chain blocks. Remediation is available in the latest vendor maintenance releases.

CVE-2022-37450 at a Glance

CVE Identifier CVE-2022-37450
GHSA Identifier GHSA-rqmg-hrg4-fm69
Severity MODERATE
CVSS v3.1 Base Score 5.9
CWE Classification General Security Weakness
Affected Product Github.com/ethereum/go ethereum
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 5.9

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).

Attack Vector Network (AV:N)
Attack Complexity High (AC:H)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity High (I:H)
Availability None (A:N)

How to Fix CVE-2022-37450

To remediate this vulnerability, upgrade all affected Github.com/ethereum/go ethereum dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

github.com/ethereum/go-ethereum fixed: Latest secure release 
Upgrade github.com/ethereum/go-ethereum to Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for github.com/ethereum/go-ethereum

How to Check if You Are Affected

To determine whether your application is affected by CVE-2022-37450, inspect your project dependencies for Github.com/ethereum/go ethereum:

inspect dependencies for github.com/ethereum/go-ethereum

Analyze the terminal output to locate any version of Github.com/ethereum/go ethereum in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In Github.com/ethereum/go ethereum, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

Go Ethereum (aka geth) through 1.10.21 allows attackers to increase rewards by mining blocks in certain situations, and using a manipulation of time-difference values to achieve replacement of main-chain blocks, aka Riskless Uncle Making (RUM), as exploited in the wild in 2020 through 2022.

CVE-2022-37450 Affected Github.com/ethereum/go ethereum Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
github.com/ethereum/go-ethereum
golang/github.com/ethereum/go-ethereum
Go
≤ 1.10.21

References

NVD — CVE-2022-37450 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-37450
Github.com/ethereum/go ethereum Source Repository REPOSITORY
https://github.com/ethereum/go-ethereum
Github.com/ethereum/go ethereum Source Repository REPOSITORY
https://github.com/ethereum/go-ethereum/blob/671094279e8d27f4b4c3c94bf8b636c26b473976/core/forkchoice.go#L91-L94
medium.com/@aviv.yaish/uncle-m... WEB
https://medium.com/@aviv.yaish/uncle-maker-time-stamping-out-the-competition-in-ethereum-d27c1cb62fef
news.ycombinator.com/item WEB
https://news.ycombinator.com/item?id=32354896
dx.doi.org/10.13140/rg.2.2.278... WEB
http://dx.doi.org/10.13140/RG.2.2.27813.99043

Frequently Asked Questions

What is CVE-2022-37450?
CVE-2022-37450 is a security vulnerability in Github.com/ethereum/go ethereum involving Go Ethereum allows attackers to use manipulation of time-difference values to achieve replacement of main-chain blocks under General Security Weakness.
Which Github.com/ethereum/go ethereum versions are affected?
Affected versions include releases prior to current release patches across affected packages: github.com/ethereum/go-ethereum.
What version fixes CVE-2022-37450?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/ethereum/go-ethereum affected?
Yes, github.com/ethereum/go-ethereum is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2022-37450?
CVE-2022-37450 has a CVSS v3.1 base score of 5.9 (MODERATE) with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
What CWE is associated with CVE-2022-37450?
CVE-2022-37450 is classified under General Security Weakness.
How can I check Go dependencies for CVE-2022-37450?
Run the dependency tree command: 'inspect dependencies for github.com/ethereum/go-ethereum'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-rqmg-hrg4-fm69",
  "modified" : "2022-08-15T20:02:22Z",
  "published" : "2022-08-06T00:00:36Z",
  "aliases" : [ "CVE-2022-37450" ],
  "summary" : "Go Ethereum allows attackers to use manipulation of time-difference values to achieve replacement of main-chain blocks",
  "details" : "Go Ethereum (aka geth) through 1.10.21 allows attackers to increase rewards by mining blocks in certain situations, and using a manipulation of time-difference values to achieve replacement of main-chain blocks, aka Riskless Uncle Making (RUM), as exploited in the wild in 2020 through 2022.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/ethereum/go-ethereum"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "1.10.21"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-37450"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/ethereum/go-ethereum"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/ethereum/go-ethereum/blob/671094279e8d27f4b4c3c94bf8b636c26b473976/core/forkchoice.go#L91-L94"
  }, {
    "type" : "WEB",
    "url" : "https://medium.com/@aviv.yaish/uncle-maker-time-stamping-out-the-competition-in-ethereum-d27c1cb62fef"
  }, {
    "type" : "WEB",
    "url" : "https://news.ycombinator.com/item?id=32354896"
  }, {
    "type" : "WEB",
    "url" : "http://dx.doi.org/10.13140/RG.2.2.27813.99043"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-08-11T16:51:45Z",
    "nvd_published_at" : "2022-08-05T21:15:00Z"
  }
}