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GHSA-q6hg-6m9x-5g9c
No affected components available
Summary
This advisory board aims to describe two vulnerabilities found in the Evmos codebase:
- Authorization check on the fundVestingAccount: unauthorized spend of funds.
Details
Authorization check on the fundVestingAccount
With the current implementation, a user can create a vesting account with a 3rd party account (EOA or contract) as funder. Then, this user can create an authorization for the contract.CallerAddress, this is the authorization checked in the code. But the funds are taken from the funder address provided in the message. Consequently, the user can fund a vesting account with a 3rd party account without its permission. The funder address can be any address, so this vulnerability can be used to drain all the accounts in the chain.
Severity
Based on ImmuneFi Severity Classification System the severity was evaluated to Critical since the attack could have lead to direct loss of funds.
Patches
The issue has been patched in versions >=V19.0.0
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.
Exploitation activity has been observed. Apply available patches or mitigations urgently.
Probability that this vulnerability will be exploited in the wild within the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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