CVE-2023-49798: @openzeppelin/contracts OpenZeppelin Contracts And Contracts Upgradeable Vulnerability

MODERATE
Advisory Identifier: GHSA-699g-q6qh-q4v8
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CVSS 5.9
CWE-670
Published
Advisory Summary

CVE-2023-49798 is a MODERATE (CVSS 5.9) openzeppelin contracts and contracts upgradeable vulnerability (CWE-670: Always-Incorrect Control Flow Implementation) affecting @openzeppelin/contracts libraries in the npm ecosystem. The issue involves openzeppelin contracts and contracts upgradeable duplicated execution of subcalls in v4.9.4. Remediation is available by upgrading affected packages to version 4.9.5.

CVE-2023-49798 at a Glance

CVE Identifier CVE-2023-49798
GHSA Identifier GHSA-699g-q6qh-q4v8
Severity MODERATE
CVSS v3.1 Base Score 5.9
CWE Classification CWE-670: Always-Incorrect Control Flow Implementation
Affected Product @openzeppelin/contracts
Package Ecosystem npm
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-2023-49798

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

@openzeppelin/contracts fixed: 4.9.5 
npm install @openzeppelin/contracts@4.9.5
@openzeppelin/contracts-upgradeable fixed: 4.9.5 
npm install @openzeppelin/contracts-upgradeable@4.9.5
Verify Direct and Transitive Dependencies

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

npm ls @openzeppelin/contracts

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2023-49798, inspect your project dependencies using npm:

npm ls @openzeppelin/contracts

Analyze the terminal output to locate any version of @openzeppelin/contracts in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.9.5), your application is affected.

Note: The npm ls @openzeppelin/contracts command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-670: Always-Incorrect Control Flow Implementation, where the code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated. In @openzeppelin/contracts, 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

### Context Merge conflict resolution issue when porting the v5.0.1 `Multicall` update to the v4.9 branch caused a duplicated line. ### Impact Versions using `Multicall` from `@openzeppelin/contracts@4.9.4` and `@openzeppelin/contracts-upgradeable@4.9.4` will execute each subcall twice. Concretely, this exposes a user to unintentionally duplicate operations like asset transfers. ### Patches The duplicated `delegatecall` was removed in 4.9.5. The 4.9.4 version is marked as deprecated.

CVE-2023-49798 Affected @openzeppelin/contracts Versions

2 component(s)
Fixed Versions:
4.9.5
Product / Package Ecosystem Affected Versions Fixed Version
@openzeppelin/contracts
npm/@openzeppelin/contracts
npm
≥ 4.9.4
< 4.9.5
All 1 versions
4.9.4
4.9.5
@openzeppelin/contracts-upgradeable
npm/@openzeppelin/contracts-upgradeable
npm
≥ 4.9.4
< 4.9.5
All 1 versions
4.9.4
4.9.5

References

GitHub Advisory / Wiki ADVISORY
https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-699g-q6qh-q4v8
NVD — CVE-2023-49798 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-49798
Security Fix Commit FIX COMMIT
https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable/commit/31f9fb9d171f60b2271b2b9c6f62d43302bf9489
Security Fix Commit FIX COMMIT
https://github.com/OpenZeppelin/openzeppelin-contracts/commit/88ac712e06832bce73b41e8166cded2729e25205
@openzeppelin/contracts Source Repository REPOSITORY
https://github.com/OpenZeppelin/openzeppelin-contracts

Frequently Asked Questions

What is CVE-2023-49798?
CVE-2023-49798 is a security vulnerability in @openzeppelin/contracts involving OpenZeppelin Contracts and Contracts Upgradeable duplicated execution of subcalls in v4.9.4 under CWE-670: Always-Incorrect Control Flow Implementation.
Which @openzeppelin/contracts versions are affected?
Affected versions include releases prior to 4.9.5 across affected packages: @openzeppelin/contracts, @openzeppelin/contracts-upgradeable.
What version fixes CVE-2023-49798?
Upgrading to 4.9.5 (or the latest patched release for your respective branch) resolves the vulnerability.
Is @openzeppelin/contracts affected?
Yes, @openzeppelin/contracts is affected in releases prior to 4.9.5. Upgrade your dependency to 4.9.5 or later.
Is @openzeppelin/contracts-upgradeable affected?
Yes, @openzeppelin/contracts-upgradeable is affected in releases prior to 4.9.5. Upgrade your dependency to 4.9.5 or later.
What is the CVSS score of CVE-2023-49798?
CVE-2023-49798 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-2023-49798?
CVE-2023-49798 is classified under CWE-670: Always-Incorrect Control Flow Implementation (The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated.).
How can I check npm dependencies for CVE-2023-49798?
Run the dependency tree command: 'npm ls @openzeppelin/contracts'. 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-699g-q6qh-q4v8",
  "modified" : "2023-12-12T00:49:25Z",
  "published" : "2023-12-12T00:49:25Z",
  "aliases" : [ "CVE-2023-49798" ],
  "summary" : "OpenZeppelin Contracts and Contracts Upgradeable duplicated execution of subcalls in v4.9.4",
  "details" : "\n### Context\nMerge conflict resolution issue when porting the v5.0.1 `Multicall` update to the v4.9 branch caused a duplicated line.\n\n### Impact\nVersions using `Multicall` from `@openzeppelin/contracts@4.9.4` and `@openzeppelin/contracts-upgradeable@4.9.4` will execute each subcall twice. Concretely, this exposes a user to unintentionally duplicate operations like asset transfers.\n\n### Patches\nThe duplicated `delegatecall` was removed in 4.9.5. The 4.9.4 version is marked as deprecated.",
  "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" : "npm",
      "name" : "@openzeppelin/contracts"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.9.4"
      }, {
        "fixed" : "4.9.5"
      } ]
    } ],
    "versions" : [ "4.9.4" ]
  }, {
    "package" : {
      "ecosystem" : "npm",
      "name" : "@openzeppelin/contracts-upgradeable"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.9.4"
      }, {
        "fixed" : "4.9.5"
      } ]
    } ],
    "versions" : [ "4.9.4" ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-699g-q6qh-q4v8"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-49798"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable/commit/31f9fb9d171f60b2271b2b9c6f62d43302bf9489"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/OpenZeppelin/openzeppelin-contracts/commit/88ac712e06832bce73b41e8166cded2729e25205"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/OpenZeppelin/openzeppelin-contracts"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-670" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-12-12T00:49:25Z",
    "nvd_published_at" : "2023-12-09T00:15:06Z"
  }
}