CVE-2018-13220:The sell function of a smart contract implementation for MAVCash, an Ethereum token, has an integer overflow vulnerability.

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Description Preview

The vulnerability identified as CVE-2018-13220 is found in the sell function of a smart contract implementation for MAVCash, an Ethereum token. The issue arises from an integer overflow in which the multiplication of "amount" and "sellPrice" can result in zero. This can lead to an unexpected reduction in a seller's assets. The vulnerability was made public on July 4, 2018.

Overview

The vulnerability is found in the sell function of a smart contract implementation for MAVCash, an Ethereum token. The issue is due to an integer overflow where the multiplication of "amount" and "sellPrice" can be zero. This can lead to an unexpected reduction in a seller's assets. The vulnerability was assigned the identifier CVE-2018-13220 by MITRE.

Remediation

The exact remediation steps for this vulnerability are not provided in the CVE details. However, generally, such issues can be resolved by performing proper input validation and implementing checks to prevent integer overflow. It is recommended to update to the latest version of the software if the vendor has provided a patch for this vulnerability.

References

  1. https://github.com/BlockChainsSecurity/EtherTokens/tree/master/MAVCash
  2. https://github.com/BlockChainsSecurity/EtherTokens/blob/master/ETHEREUMBLACK/sell%20integer%20overflow.md

Industry ExposureMost to least
This section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.

  1. Accommodation & Food Services
    Accommodation & Food Services
  2. Administrative, Support, Waste Management & Remediation Services
    Administrative, Support, Waste Management & Remediation Services
  3. Agriculture, Forestry Fishing & Hunting
    Agriculture, Forestry Fishing & Hunting
  4. Arts, Entertainment & Recreation
    Arts, Entertainment & Recreation
  5. Construction
    Construction
  6. Educational Services
    Educational Services
  7. Finance and Insurance
    Finance and Insurance
  8. Health Care & Social Assistance
    Health Care & Social Assistance
  9. Information
    Information
  10. Management of Companies & Enterprises
    Management of Companies & Enterprises
  11. Manufacturing
    Manufacturing
  12. Mining
    Mining
  13. Other Services (except Public Administration)
    Other Services (except Public Administration)
  14. Professional, Scientific, & Technical Services
    Professional, Scientific, & Technical Services
  15. Public Administration
    Public Administration
  16. Real Estate Rental & Leasing
    Real Estate Rental & Leasing
  17. Retail Trade
    Retail Trade
  18. Transportation & Warehousing
    Transportation & Warehousing
  19. Utilities
    Utilities
  20. Wholesale Trade
    Wholesale Trade

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Armis Vulnerability Intelligence Database