increaseAllowance and decreaseAllowance is from ERC20 is deprecated

[c4-submissions]

Lines of code

https://github.com/code-423n4/2023-09-centrifuge/blob/main/src/token/ERC20.sol#L139#L159

Vulnerability details

Impact

non-standard ERC20 function

Proof of Concept

OpenZeppelin/openzeppelin-contracts#4585

Tools Used

manure

Recommended Mitigation Steps

should use SafeERC20 instead
https://github.com/OpenZeppelin/openzeppelin-contracts/blob/60e3ffe6a3cc38ab94cae995bc1de081eed79335/contracts/token/ERC20/utils/SafeERC20.sol#L48-L69

Assessed type

ERC20

[c4-pre-sort]

raymondfam marked the issue as low quality report

[c4-pre-sort]

raymondfam marked the issue as duplicate of #320

[c4-judge]

gzeon-c4 marked the issue as unsatisfactory:
Out of scope