CVE-2018-14085
Last modified
CVE-2018-14085 is a vulnerability of currently unknown severity. An issue was discovered in a smart contract implementation for UserWallet 0x0a7bca9FB7AfF26c6ED8029BB6f0F5D291587c42, an Ethereum token. First, suppose that the owner adds the evil contract address to his sweepers. EPSS estimates a 0.93% chance of exploitation in the next 30 days.
Description
An issue was discovered in a smart contract implementation for UserWallet 0x0a7bca9FB7AfF26c6ED8029BB6f0F5D291587c42, an Ethereum token. First, suppose that the owner adds the evil contract address to his sweepers. The evil contract looks like this: contract Exploit { uint public start; function sweep(address _token, uint _amount) returns (bool) { start = 0x123456789; return true;} }. Then, when one calls the function sweep() in the UserWallet contract, it will change the sweeperList to 0X123456789.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Userwallet Project | Userwallet | All versions |
References
- https://github.com/hellowuzekai/blockchains/blob/master/delegatecall.mdExploit, Third Party Advisory
- https://github.com/hellowuzekai/blockchains/blob/master/delegatecall.mdExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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