CVE-2022-24738 Account compromise in Evmos

What is CVE-2022-24738?

CVE-2022-24738 is a high-severity authentication bypass vulnerability in tharsis evmos, published on 7 Mar 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Evmos is the Ethereum Virtual Machine (EVM) Hub on the Cosmos Network. In versions of evmos prior to 2.0.1 attackers are able to drain unclaimed funds from user addresses. To do this an attacker must create a new chain which does not enforce signature verification and connects it to the target evmos instance. The attacker can use this joined chain to transfer unclaimed funds. Users are advised to upgrade. There are no known workarounds for this issue.

Weakness: CWE-287

Which versions are affected by CVE-2022-24738?

4 open source packages ship an affected version, including github.com/tharsis/evmos and github.com/tharsis/evmos/v2. It affects 1 product.

Products include Evmos Evmos.

How do I fix CVE-2022-24738?

Upgrade github.com/tharsis/evmos to 2.0.1 or later.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2022-24738 being exploited?

There is no known exploitation of CVE-2022-24738 in the wild and no public exploit code.

Other vulnerabilities in tharsis evmos

• CVE-2024-32644 Evmos' transaction execution not accounting for all state transition after interaction with precompiles Critical 9.1
• CVE-2024-39696 Evmos vulnerable to exploit of smart contract account and vesting High 8.8
• CVE-2024-37153 Evmos's contract balance not updating correctly after interchain transaction High 7.5
• CVE-2024-37154 Evmos allows unvested token delegations Medium 5.3
• CVE-2024-37158 Evmos is missing precompile checks Low 3.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-5jgq-x857-p8xw, GO-2022-0348.