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BENQI

BENQI Liquidity Market is a decentralized non-custodial liquidity market protocol, built on Avalanche. The protocol enables users to effortlessly lend, borrow, and earn interest with their digital assets. Depositors providing liquidity to the protocol may earn passive income, while borrowers are able to borrow in an over-collateralized manner.

Avalanche
Defi
AMM
Lending
Liquid Staking
ReactJS
Solidity
Maximum Bounty
$500,000
Live Since
19 August 2021
Last Updated
18 November 2024
  • PoC required

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Assets in Scope

Target
Type
Websites and Applications - Website/App
Added on
21 June 2022
Target
Type
Websites and Applications - Website/App
Added on
21 June 2022
Target
Type
Websites and Applications - Website/App
Added on
21 June 2022
Target
Type
Websites and Applications - Website/App
Added on
10 May 2022
Target
Type
Smart Contract - QiTokenSaleDistributorProxy
Added on
10 May 2022
Target
Type
Smart Contract - PglStakingContractProxy
Added on
10 May 2022
Target
Type
Smart Contract - StakedAvax
Added on
10 May 2022
Target
Type
Smart Contract - Maximillion
Added on
10 May 2022
Target
Type
Smart Contract - QiUSDC (QiErc20Delegator)
Added on
10 May 2022
Target
Type
Smart Contract - QiQI (QiErc20Delegator)
Added on
10 May 2022
Target
Type
Smart Contract - JumpRateModel
Added on
10 May 2022
Target
Type
Smart Contract - Qi
Added on
16 February 2022

Impacts in Scope

Only the following impacts are accepted within this bug bounty program. All other impacts are not considered as in-scope, even if they affect something in the assets in scope table. All reports must come with a Proof of Concept (PoC) showing impact. Reports without a PoC will be automatically rejected.

Severity
Critical
Title

Any governance voting result manipulation

Severity
Critical
Title

Direct theft of any user funds, whether at-rest or in-motion, other than unclaimed yield

Severity
Critical
Title

Permanent freezing of funds

Severity
Critical
Title

Significant Protocol Insolvency

Severity
Critical
Title

Execute arbitrary system commands

Severity
Critical
Title

Retrieve sensitive data/files from a running server such as /etc/shadow, database passwords, and blockchain keys(this does not include non-sensitive environment variables, open source code, or usernames)

Severity
Critical
Title

Taking state-modifying authenticated actions (with or without blockchain state interaction) on behalf of other users without any interaction by that user, such as, changing registration information, commenting, voting, making trades, withdrawals, etc.

Severity
Critical
Title

Subdomain takeover with already-connected wallet interaction

Severity
Critical
Title

Direct theft of user funds

Severity
Critical
Title

Malicious interactions with an already-connected wallet such as modifying transaction arguments or parameters, substituting contract addresses, submitting malicious transactions

Severity
High
Title

Complete theft of unclaimed yield

Severity
High
Title

Permanent freezing of unclaimed yield

Out of scope

Program's Out of Scope information
  • Best practice critiques
  • ERC-777 re-entrancy
  • Reward distribution bugs affecting early borrowers in markets with zero distribution rewards
  • Reward distribution bugs resulting from temporarily disabling distribution rewards
Default Out of Scope and rules

Smart Contract specific

  • Incorrect data supplied by third party oracles
    • Not to exclude oracle manipulation/flash loan attacks
  • Impacts requiring basic economic and governance attacks (e.g. 51% attack)
  • Lack of liquidity impacts
  • Impacts from Sybil attacks
  • Impacts involving centralization risks

All categories

  • Impacts requiring attacks that the reporter has already exploited themselves, leading to damage
  • Impacts caused by attacks requiring access to leaked keys/credentials
  • Impacts caused by attacks requiring access to privileged addresses (including, but not limited to: governance and strategist contracts) without additional modifications to the privileges attributed
  • Impacts relying on attacks involving the depegging of an external stablecoin where the attacker does not directly cause the depegging due to a bug in code
  • Mentions of secrets, access tokens, API keys, private keys, etc. in Github will be considered out of scope without proof that they are in-use in production
  • Best practice recommendations
  • Feature requests
  • Impacts on test files and configuration files unless stated otherwise in the bug bounty program
  • Impacts requiring phishing or other social engineering attacks against project's employees and/or customers
Severity
Min. - Max.
Critical
$500k
High
$5k -$20k
Medium
$2.5k -$5k
Low
$500 -$1k
Total Assets in Scope
24
Total Impacts in Scope
29