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7.5
CVE-2018-13176: Trust Zen Token lets owner assign unlimited balance
CVE-2018-13176 · published 8 years ago
Summary
The Trust Zen Token contract lets its owner set any user’s token balance to any amount because of a calculation error. This could allow the owner to create unlimited tokens, harming the token’s value and trust. Update the contract to correct the calculation or redeploy a fixed 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 |
|---|---|---|
| trustzen_project | trustzen |
All versions
cpe:2.3:a:trustzen_project:trustzen:-:*:*:*:*:*:*:* |
Original advisory text
The mintToken function of a smart contract implementation for Trust Zen Token (ZEN), an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitr...
The mintToken function of a smart contract implementation for Trust Zen Token (ZEN), 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/TrustZen 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
Published5 Jul 2018
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2018-13176 · NVD
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