CVE-2023-33964

mx-chain-go does not treat invalid transaction with wrong username correctly

Description

mx-chain-go is an implementation of the MultiversX blockchain protocol written in the Go language. Metachain cannot process a cross-shard miniblock. Prior to version 1.4.16, an invalid transaction with the wrong username on metachain is not treated correctly on the metachain transaction processor. This is strictly a processing issue that could have happened on MultiversX chain. If an error like this had occurred, the metachain would have stopped notarizing blocks from the shard chains. The resuming of notarization is possible only after applying a patched binary version. A patch in version 1.4.16 introduces `processIfTxErrorCrossShard` for the metachain transaction processor. There are no known workarounds for this issue.

Category

8.6
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.16%
Vendor Advisory github.com
Affected: multiversx mx-chain-go
Published at:
Updated at:

References

Link Tags
https://github.com/multiversx/mx-chain-go/security/advisories/GHSA-7xpv-4pm9-xch2 vendor advisory
https://github.com/multiversx/mx-chain-go/commit/97295471465f4b5f79e51b32f8b7111f8d921606 patch

Frequently Asked Questions

What is the severity of CVE-2023-33964?
CVE-2023-33964 has been scored as a high severity vulnerability.
How to fix CVE-2023-33964?
To fix CVE-2023-33964, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-33964 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-33964 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-33964?
CVE-2023-33964 affects multiversx mx-chain-go.
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