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7.5
CVE-2018-13081: GZSToken mint function lets contract owner set any user balance
CVE-2018-13081 · published 8 years ago
Summary
The GZSToken contract on Ethereum has a coding mistake that lets the contract owner give any user any amount of tokens they choose. This could let the owner create unlimited tokens, diluting the value for everyone else. Review the contract code and consider updating it or limiting owner privileges to prevent unauthorized token creation.
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 |
|---|---|---|
| gzstoken_project | gzstoken |
All versions
cpe:2.3:a:gzstoken_project:gzstoken:-:*:*:*:*:*:*:* |
Original advisory text
The mintToken function of a smart contract implementation for GZS Token (GZS), an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary us...
The mintToken function of a smart contract implementation for GZS Token (GZS), 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/VenusADLab/EtherTokens/blob/master/GZSToken/GZSToken.md Exploit 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
Published3 Jul 2018
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2018-13081 · NVD
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