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Vulnerability CVE-2018-13205
Published: 2018-07-04 Modified: 2018-07-05
| Description: |
The sell function of a smart contract implementation for ohni_2 (OHNI), an Ethereum token, has an integer overflow in which "amount * sellPrice" can be zero, consequently reducing a seller's assets. |
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 |
References: |
https://github.com/BlockChainsSecurity/EtherTokens/blob/master/ETHEREUMBLACK/sell%20integer%20overflow.md
https://github.com/BlockChainsSecurity/EtherTokens/tree/master/Ohni
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