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Validation of 'to' in transferAndCall and transferWithPermit #350

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code423n4 opened this issue Dec 1, 2021 · 1 comment
Open

Validation of 'to' in transferAndCall and transferWithPermit #350

code423n4 opened this issue Dec 1, 2021 · 1 comment
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1 (Low Risk) Assets are not at risk. State handling, function incorrect as to spec, issues with comments bug Something isn't working sponsor confirmed Sponsor agrees this is a problem and intends to fix it (OK to use w/ "disagree with severity")

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@code423n4
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pauliax

Vulnerability details

Impact

In functions transferAndCall and transferWithPermit the condition should be AND, not OR:

  require(to != address(0) || to != address(this));

Recommended Mitigation Steps

  require(to != address(0) && to != address(this));
@code423n4 code423n4 added 1 (Low Risk) Assets are not at risk. State handling, function incorrect as to spec, issues with comments bug Something isn't working labels Dec 1, 2021
code423n4 added a commit that referenced this issue Dec 1, 2021
@code423n4
pauliax issue #350
30a15a2
@0xScotch 0xScotch added the sponsor confirmed Sponsor agrees this is a problem and intends to fix it (OK to use w/ "disagree with severity") label Dec 8, 2021
@GalloDaSballo
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Agree with finding

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1 (Low Risk) Assets are not at risk. State handling, function incorrect as to spec, issues with comments bug Something isn't working sponsor confirmed Sponsor agrees this is a problem and intends to fix it (OK to use w/ "disagree with severity")
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@GalloDaSballo @0xScotch @code423n4