CVE-2022-36061 Elrond go can execute on same context checks in VM

What is CVE-2022-36061?

CVE-2022-36061 is a medium-severity 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 1.3.35, read only calls between contracts can generate smart contracts results. For example, if contract A calls in read only mode contract B and the called function will make changes upon the contract's B state, the state will be altered for contract B as if the call was not made in the read-only mode. This can lead to some effects not designed by the original smart contracts programmers. This issue was patched in version 1.3.35. There are no known workarounds.

Weakness: CWE-665

Which versions are affected by CVE-2022-36061?

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-2022-36061?

Upgrade github.com/ElrondNetwork/elrond-go to 1.3.35 or later.

Is CVE-2022-36061 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-36061 exists.

Other vulnerabilities in ElrondNetwork elrond-go

• CVE-2022-36058 elrond-go MultiESDTNFTTransfer call on a SC address with missing function name High 7.5
• CVE-2022-46173 Elrond go Processing: fallback search of SCRs when not found in the main cache High 7.2

Sources

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

Also known as GHSA-mv8x-668m-53fg, GO-2022-0971.