Vulnerability Description
The sell function of a smart contract implementation for Crowdnext (CNX), an Ethereum token, has an integer overflow in which "amount * sellPrice" can be zero, consequently reducing a seller's assets.
CVSS Score
7.5
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Crowdnext Project | Crowdnext | - |
Related Weaknesses (CWE)
References
- https://github.com/BlockChainsSecurity/EtherTokens/blob/master/ETHEREUMBLACK/selExploitThird Party Advisory
- https://github.com/BlockChainsSecurity/EtherTokens/tree/master/CrowdnextThird Party Advisory
- https://github.com/BlockChainsSecurity/EtherTokens/blob/master/ETHEREUMBLACK/selExploitThird Party Advisory
- https://github.com/BlockChainsSecurity/EtherTokens/tree/master/CrowdnextThird Party Advisory
FAQ
What is CVE-2018-13228?
CVE-2018-13228 is a vulnerability with a CVSS score of 7.5 (HIGH). The sell function of a smart contract implementation for Crowdnext (CNX), an Ethereum token, has an integer overflow in which "amount * sellPrice" can be zero, consequently reducing a seller's assets.
How severe is CVE-2018-13228?
CVE-2018-13228 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-13228?
Check the references section above for vendor advisories and patch information. Affected products include: Crowdnext Project Crowdnext.