CVE-2021-43839

Summary

Cronos is a commercial implementation of a blockchain. In Cronos nodes running versions before v0.6.5, it is possible to take transaction fees from Cosmos SDK's FeeCollector for the current block by sending a custom crafted MsgEthereumTx. This problem has been patched in Cronos v0.6.5. There are no tested workarounds. All validator node operators are recommended to upgrade to Cronos v0.6.5 at their earliest possible convenience.

Affected Software

VendorProductVersion RangeStatus
crypto-org-chaincronos< 0.6.5affected

Weaknesses

  • CWE-670: CWE-670: Always-Incorrect Control Flow Implementation

ADP Enrichment

CVE Program Container

Additional References

References