GO-2024-2638 ValidateVoteExtensions function in Cosmos SDK may allow incorrect voting power assumptions in github.com/cosmos/cosmos-sdk

The default ValidateVoteExtensions helper function infers total voting power based on the injected VoteExtension, which are injected by the proposer. If your chain utilizes the ValidateVoteExtensions helper in ProcessProposal, a dishonest proposer can potentially mutate voting power of each...

Improper Input Validation

github.com/cosmos/cosmos-sdk is vulnerable to Improper Input Validation. The vulnerability is due to inadequate validation in the ValidateVoteExtensions function within abciutils.go. This flaw allows attackers to exploit the ValidateVoteExtensions helper function by inferring total voting power...