CVE-2022-24845 : What You Need to Know
Learn about CVE-2022-24845 impacting Vyper smart contract language. Upgrade to prevent integer overflow vulnerability in Vyper versions <0.3.2.
Vyper, a pythonic Smart Contract Language for the ethereum virtual machine, is affected by an integer bounds error in versions prior to 0.3.2. This vulnerability can lead to misinterpretation of integer values and incorrect behavior. Users are advised to upgrade to avoid potential exploitation.
Understanding CVE-2022-24845
This section will cover details about the vulnerability, its impact, technical description, affected systems, and mitigation strategies.
What is CVE-2022-24845?
Vyper, a language for writing smart contracts on the Ethereum Virtual Machine, has an issue where the return of
<iface>.returns_int128()int128The Impact of CVE-2022-24845
The vulnerability's CVSS v3.1 score is 8.8, indicating a high severity issue. With a network attack vector and no privileges required, the vulnerability can lead to high impacts on confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2022-24845
Vulnerability Description
In affected versions of Vyper, the return of
<iface>.returns_int128()Affected Systems and Versions
The vulnerability affects Vyper versions earlier than 0.3.2.
Exploitation Mechanism
An attacker could exploit this vulnerability to misinterpret integer values, leading to unexpected behaviors in Vyper smart contracts.
Mitigation and Prevention
To safeguard against CVE-2022-24845, users are strongly advised to take immediate action and implement long-term security practices.
Immediate Steps to Take
- Upgrade Vyper to version 0.3.2 or newer to address the vulnerability.
Long-Term Security Practices
- Regularly update software and libraries to stay protected against known vulnerabilities.
Patching and Updates
- Stay informed about security advisories and patches released by Vyper to address potential risks.