CVE-2022-36058 elrond-go MultiESDTNFTTransfer call on a SC address with missing function name

What is CVE-2022-36058?

CVE-2022-36058 is a high-severity denial of service vulnerability in ElrondNetwork elrond-go, published on 6 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Elrond go is the go implementation for the Elrond Network protocol. In versions prior to 1.3.34, anyone who uses elrond-go to process blocks (historical or actual) could encounter a `MultiESDTNFTTransfer` transaction like this: `MultiESDTNFTTransfer` with a missing function name. Basic functionality like p2p messaging, storage, API requests and such are unaffected. Version 1.3.34 contains a fix for this issue. There are no known workarounds.

Weakness: CWE-20

Which versions are affected by CVE-2022-36058?

3 open source packages ship an affected version, including github.com/ElrondNetwork/elrond-go. It affects 1 product.

Products include Elrond Elrond Go.

How do I fix CVE-2022-36058?

Upgrade github.com/ElrondNetwork/elrond-go to 1.3.34 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2022-36058 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-36058 exists.

Other vulnerabilities in ElrondNetwork elrond-go

• CVE-2022-46173 Elrond go Processing: fallback search of SCRs when not found in the main cache High 7.2
• CVE-2022-36061 Elrond go can execute on same context checks in VM Medium 6.5

Sources

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

Also known as GHSA-qf7j-25g9-r63f, GO-2022-0970.