ton-blockchain / multisig-contract-v2

Multiowner wallet
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The severity of the vulnerabilities #19

Closed Paulsmithgg closed 6 months ago

Paulsmithgg commented 6 months ago

Some potential vulnerabilities that participants might look for in the Multisig smart contract include:

  1. Reentrancy Attacks: Where an attacker can repeatedly call a vulnerable contract before the previous execution is complete, potentially manipulating its state.

  2. Unchecked External Calls: If the contract interacts with other contracts, not verifying the integrity of external calls can lead to exploits.

  3. Integer Overflow/Underflow: Mishandling arithmetic operations on integers can result in unexpected behavior, allowing attackers to manipulate balances or other critical variables.

  4. Unprotected Owner Functions: Functions accessible only by the contract owner may lack proper access control, enabling unauthorized individuals to gain control.

  5. Denial-of-Service (DoS) Attacks: Malicious users might exploit inefficiencies in the contract's logic to consume excessive resources, leading to network congestion or disruption

6 Insecure Randomness Generation: Weak random number generation mechanisms can make it easier for attackers to predict outcomes, compromising security in games or auctions.

7 Front-Running: Exploiting the order of transactions to gain an unfair advantage, particularly relevant in decentralized exchanges or auctions.

8Misuse of External Dependencies: Relying on external contracts or libraries without ensuring their security or integrity can introduce vulnerabilities.

These are just a few examples, and the actual vulnerabilities could vary depending on the specific implementation and design choices of the Multisig smart contract.

Some solutions can be Some potential vulnerabilities that participants might look for in the Multisig smart contract include:

  1. Reentrancy Attacks: Where an attacker can repeatedly call a vulnerable contract before the previous execution is complete, potentially manipulating its state.

  2. Unchecked External Calls: If the contract interacts with other contracts, not verifying the integrity of external calls can lead to exploits.

  3. Integer Overflow/Underflow: Mishandling arithmetic operations on integers can result in unexpected behavior, allowing attackers to manipulate balances or other critical variables.

  4. Unprotected Owner Functions: Functions accessible only by the contract owner may lack proper access control, enabling unauthorized individuals to gain control.

  5. Denial-of-Service (DoS) Attacks: Malicious users might exploit inefficiencies in the contract's logic to consume excessive resources, leading to network congestion or disruption.

  6. Insecure Randomness Generation: Weak random number generation mechanisms can make it easier for attackers to predict outcomes, compromising security in games or auctions.

  7. Front-Running: Exploiting the order of transactions to gain an unfair advantage, particularly relevant in decentralized exchanges or auctions.

  8. Misuse of External Dependencies: Relying on external contracts or libraries without ensuring their security or integrity can introduce vulnerabilities.

These are just a few examples, and the actual vulnerabilities could vary depending on the specific implementation and design choices of the Multisig smart contract.

tolya-yanot commented 6 months ago

ChatGPT, ban