CVE-2018-13609
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedThe mintToken function of a smart contract implementation for CSAToken, 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.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceInteger overflow vulnerability in the mintToken function of the CSAToken Ethereum smart contract allows the contract owner to manipulate token balances of arbitrary users to any value due to improper arithmetic bounds checking.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE dataall versionsCVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
-
Locate the deployed CSAToken contractQuery the blockchain for the CSAToken contract address and verify the contract binary matches the Csa Estate Csatoken contract. Use blockchain explorers or local node queries to retrieve the contract bytecode and confirm it matches the vulnerable version.Affected if The contract bytecode corresponds to Csa Estate Csatoken without SafeMath libraries included.
-
Identify the mintToken functionCall the contract's function signatures or decompile the bytecode to locate the mintToken function entry point. Use tools like etherscan decompilers or Ethereum Name Service records to verify the function exists.Affected if The mintToken function is present and accepts parameters for target address and token amount without internal overflow guards.
-
Verify owner access to balance manipulationReview the smart contract source code or decompiled bytecode to confirm the mintToken function is callable by the contract owner and can set arbitrary balances to any address.Affected if The owner role can call mintToken to set any user's balance to any value without restrictions.
-
Check for SafeMath or overflow protectionSearch the contract bytecode or source code for SafeMath library references, specifically the add, sub, and mul functions with overflow checks, or equivalent overflow protection logic.Affected if No SafeMath library or equivalent overflow protection is implemented in arithmetic operations within the mintToken function.
Your environment is affected if you have deployed the Csa Estate Csatoken contract and the mintToken function allows the owner to arbitrarily set user balances without SafeMath overflow protection.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataDeploy an updated contract version using SafeMath library or equivalent overflow checks for arithmetic operations; ensure proper access controls are in place for sensitive functions.
- Consultation2.0 h
- Implementation4.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,096.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2018-13609 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2018-13609 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data