CVE-2023-30543 : Security Advisory and Response

A detailed overview of CVE-2023-30543 highlighting the vulnerability, impact, technical details, and mitigation steps.

Understanding CVE-2023-30543

This section provides insights into the critical aspects of CVE-2023-30543.

What is CVE-2023-30543?

CVE-2023-30543 affects the @web3-react framework utilized for building Ethereum Apps. In specific versions, there is a risk of the

chainId

becoming outdated if users change chains during the connection process. This could lead to incorrect data derived from

chainId

, potentially causing issues like sending funds to the wrong address.

The Impact of CVE-2023-30543

The vulnerability could result in incorrect data derived from

chainId

, ultimately leading to potential monetary loss or security risks for users utilizing affected versions of @web3-react.

Technical Details of CVE-2023-30543

This section delves into the specifics of the vulnerability.

Vulnerability Description

The vulnerability stems from the possibility of the

chainId

becoming outdated if users switch chains during the connection process, potentially leading to incorrect data usage within the application.

Affected Systems and Versions

Vendor: Uniswap
Product: web3-react
Affected Versions:
@web3-react/coinbase-wallet: >= 6, < 8.0.35-beta.0
@web3-react/eip1193: >= 6, < 8.0.27-beta.0
@web3-react/metamask: >= 6, < 8.0.30-beta.0
@web3-react/walletconnect: >= 6, < 8.0.37-beta.0

Exploitation Mechanism

The vulnerability occurs when users change chains during the connection flow, resulting in an outdated

chainId

value that impacts data accuracy and subsequent actions within the application.

Mitigation and Prevention

Explore the steps to mitigate the impact of CVE-2023-30543.

Immediate Steps to Take

Users are advised to upgrade to the latest version of @web3-react that includes the fix provided in PR #749 to prevent the exploitation of the vulnerability.

Long-Term Security Practices

Incorporating regular updates and security checks within the application can help maintain data integrity and prevent similar vulnerabilities in the future.

Patching and Updates

Ensure timely installation of updates released by @web3-react to safeguard against known vulnerabilities and enhance overall security measures.