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Connext

Connext is a modular protocol for securely passing funds and data between chains. Developers can use Connext to build crosschain apps (xApps) - applications that interact with multiple domains (blockchains and/or rollups) simultaneously.

Defi
L2
Maximum Bounty
$100,000
Live Since
21 December 2021
Last Updated
23 August 2023
  • PoC required

Select the category you'd like to explore

Assets in Scope

Target
Type
Smart Contract - LPToken.sol
Added on
3 February 2023
Target
Type
Smart Contract - LPToken.sol
Added on
3 February 2023
Target
Type
Smart Contract - LPToken.sol
Added on
3 February 2023
Target
Type
Smart Contract - LPToken.sol
Added on
3 February 2023
Target
Type
Smart Contract - LPToken.sol
Added on
3 February 2023
Target
Type
Smart Contract - LPToken.sol
Added on
3 February 2023
Target
Type
Smart Contract - UpgradeBeaconController.sol
Added on
3 February 2023
Target
Type
Smart Contract - UpgradeBeaconController.sol
Added on
3 February 2023
Target
Type
Smart Contract - UpgradeBeaconController.sol
Added on
3 February 2023
Target
Type
Smart Contract - UpgradeBeaconController.sol
Added on
3 February 2023
Target
Type
Smart Contract - UpgradeBeaconController.sol
Added on
3 February 2023
Target
Type
Smart Contract - UpgradeBeaconController.sol
Added on
3 February 2023

Impacts in Scope

Severity
Critical
Title

Network not being able to confirm new transactions (total network shutdown)

Severity
Critical
Title

Unintended permanent chain split requiring hard fork (network partition requiring hard fork)

Severity
Critical
Title

Direct loss of funds

Severity
Critical
Title

Permanent freezing of funds (fix requires hardfork)

Severity
Critical
Title

Permanent freezing of funds

Severity
Critical
Title

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

Severity
Critical
Title

Protocol insolvency

Severity
Critical
Title

Any governance voting result manipulation

Severity
Critical
Title

Miner-extractable value (MEV)

Severity
High
Title

Unintended chain split (network partition)

Severity
High
Title

Theft of unclaimed yield

Severity
High
Title

Permanent freezing 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