Vulnerability CVE-2018-13172
Published: 2018-07-04   Modified: 2018-07-05

Description:
The mintToken function of a smart contract implementation for bzxcoin (BZX), an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.

Type:

CWE-190

 (Integer Overflow or Wraparound)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Bzxcoin project -> Bzxcoin 

 References:
https://github.com/BlockChainsSecurity/EtherTokens/blob/master/GEMCHAIN/mint%20integer%20overflow.md
https://github.com/BlockChainsSecurity/EtherTokens/tree/master/bzxcoin
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