CVE-2024-32873

Evmos is the Ethereum Virtual Machine (EVM) Hub on the Cosmos Network. The spendable balance is not updated properly when delegating vested tokens. The issue allows a clawback vesting account to anticipate the release of unvested tokens. This vulnerability is fixed in 18.0.0.

Weakness

The product performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management.

Affected Software

Potential Mitigations

• Use languages, libraries, or frameworks that make it easier to handle numbers without unexpected consequences.
• Examples include safe integer handling packages such as SafeInt (C++) or IntegerLib (C or C++).
• Use languages, libraries, or frameworks that make it easier to handle numbers without unexpected consequences.
• Examples include safe integer handling packages such as SafeInt (C++) or IntegerLib (C or C++).

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/128.html
• https://cwe.mitre.org/data/definitions/129.html

References

• https://github.com/evmos/evmos/commit/b2a09ca66613d8b04decd3f2dcba8e1e77709dcb
• https://github.com/evmos/evmos/security/advisories/GHSA-pxv8-qhrh-jc7v
• https://github.com/evmos/evmos/commit/b2a09ca66613d8b04decd3f2dcba8e1e77709dcb
• https://github.com/evmos/evmos/security/advisories/GHSA-pxv8-qhrh-jc7v