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Balancer

Balancer is a community-driven protocol, liquidity provider, and price sensor that empowers decentralized exchange and the automated portfolio management of tokens on the Ethereum blockchain and other EVM compatible systems.

ETH
Polygon
Defi
AMM
DEX
JavaScript
Solidity
Maximum Bounty
$1,000,000
Live Since
12 May 2022
Last Updated
08 April 2024
  • PoC required

Select the category you'd like to explore

Assets in Scope

Target
Type
Added on
Smart Contract - BalancerGovernanceToken
12 May 2022
Target
Type
Added on
Smart Contract - Authorizer
12 May 2022
Target
Type
Added on
Smart Contract - Vault
12 May 2022
Target
Type
Added on
Smart Contract - WeightedPoolFactory
12 May 2022
Target
Type
Added on
Smart Contract - WeightedPool2TokensFactory
12 May 2022
Target
Type
Added on
Smart Contract - ComposableStablePoolFactory
12 May 2022
Target
Type
Added on
Smart Contract - MetaStablePoolFactory
12 May 2022
Target
Type
Added on
Smart Contract - NoProtocolFeeLiquidityBootstrappingPoolFactory
12 May 2022
Target
Type
Added on
Smart Contract - BatchRelayerLibrary (V6)
12 May 2022
Target
Type
Added on
Smart Contract - BalancerRelayer (V6)
12 May 2022
Target
Type
Added on
Smart Contract - AuthorizerAdaptor
12 May 2022
Target
Type
Added on
Smart Contract - BALTokenHolderFactory
12 May 2022

Impacts in Scope

Critical
Theft of >1% of total funds in the Vault
Critical
Permanent freezing of >1% of total funds in the Vault
High
Theft of funds in excess of gas costs or swap fees
High
Permanent freezing of funds in excess of gas costs or swap fees
Medium
Temporary freezing of funds in excess of gas costs or swap fees
Medium
Permanent freezing of unclaimed yield
Medium
Theft of unclaimed yield

Out of scope

Program's Out of Scope information

The following vulnerabilities are excluded from the rewards for this bug bounty program:

  • Attacks that the reporter has already exploited themselves, leading to damage
  • Attacks requiring access to leaked keys/credentials
  • Attacks requiring access to privileged addresses (governance, strategist)

Smart Contracts and Blockchain

  • Incorrect data supplied by third party oracles
    • Not to exclude oracle manipulation/flash loan attacks
  • Basic economic governance attacks (e.g. 51% attack)
  • Lack of liquidity
  • Best practice critiques
  • Sybil attacks
  • Centralization risks

The following activities are prohibited by this bug bounty program:

  • Any testing with mainnet or public testnet contracts; all testing should be done on private testnets
  • Any testing with pricing oracles or third party smart contracts
  • Attempting phishing or other social engineering attacks against our employees and/or customers
  • Any testing with third party systems and applications (e.g. browser extensions) as well as websites (e.g. SSO providers, advertising networks)
  • Any denial of service attacks
  • Automated testing of services that generates significant amounts of traffic
  • Public disclosure of an unpatched vulnerability in an embargoed bounty