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Start learningUpgrade github.com/cosmos/cosmos-sdk/baseapp
to version 0.50.5 or higher.
github.com/cosmos/cosmos-sdk/baseapp is a framework for building high value public blockchains.
Affected versions of this package are vulnerable to Improper Input Validation via the ValidateVoteExtensions
helper function. An attacker can manipulate the voting power of validators included in the VoteExtension
by proposing altered VoteExtension
data, potentially leading to unexpected or adverse effects on the modified state. Exploiting this vulnerability is possible if the chain utilizes the ValidateVoteExtensions
helper in ProcessProposal
.