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7.5
CVE-2018-13665: bcaas_project bcaas lets owner change any user balance
CVE-2018-13665 · published 8 years ago
Summary
The BCaaS token contract lets the contract owner give any user any amount of tokens by exploiting a math error. This could let the owner create unlimited tokens and disrupt the token’s value. Review the contract code and apply the provided fix or replace it with a safe version.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| bcaas_project | bcaas |
All versions
cpe:2.3:a:bcaas_project:bcaas:-:*:*:*:*:*:*:* |
Original advisory text
The mintToken function of a smart contract implementation for BCaaS, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any ...
The mintToken function of a smart contract implementation for BCaaS, 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.
References
- https://github.com/BlockChainsSecurity/EtherTokens/blob/master/GEMCHAIN/mint%20i... Exploit Third Party Advisory
- https://github.com/BlockChainsSecurity/EtherTokens/tree/master/BCaaS Third Party Advisory
Internet-facing
14 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically (estimated)
- Gives an attacker partial control (estimated)
Type
CWE-190Integer Overflow
Timeline
Published9 Jul 2018
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2018-13665 · NVD
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