The BATBToken smart contract (address 0xfbf1388408670c02f0dbbb74251d8ded1d63b7a2, Compiler Version v0.8.26+commit.8a97fa7a) contains incorrect access control implementation in whitelist management functions. The setColdWhiteList() and setSpecialAddress() functions in the base ERC20 contract are declared as public without proper access control modifiers, allowing any user to bypass transfer restrictions and manipulate special address settings. This enables unauthorized users to circumvent cold time transfer restrictions and potentially disrupt dividend distribution mechanisms, leading to privilege escalation and violation of the contracts intended tokenomics.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Access control involves the use of several protection mechanisms such as:
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: