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7.5

CVE-2018-13523: SmartPayment token lets owner set any user balance

CVE-2018-13523 · published 8 years ago
Summary

The SmartPayment token's minting function contains a calculation error that permits the contract owner to assign any amount of tokens to any user. This could let the owner inflate balances and disrupt the token's value. Update the contract code to prevent this overflow, redeploy the corrected version, and limit owner privileges.

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
VendorProductAffected versions
smartpayment_project smartpayment All versions
cpe:2.3:a:smartpayment_project:smartpayment:-:*:*:*:*:*:*:*
Original advisory text
The mintToken function of a smart contract implementation for SmartPayment, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user ...
The mintToken function of a smart contract implementation for SmartPayment, 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.
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
7.5 High
Exploitation
1% chance of attack within 30 days
Type
CWE-190Integer Overflow
Timeline
Published9 Jul 2018
Updated31 Oct 2026
First seen29 Sep 2026
Sources
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