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CVE Record

CVE-2018-14084: An issue was discovered in a smart contract implementation for MKCB, an Ethereum token.

An issue was discovered in a smart contract implementation for MKCB, an Ethereum token. If the owner sets the value of sellPrice to a large number in setPrices() then the "amount * sellPrice" will cause an integer overflow in sell().

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2018-14084 describes an integer overflow risk in an MKCB Ethereum token smart contract. If the contract owner sets a very large sell price, the sell calculation can wrap around and produce incorrect results. The public record gives limited product and severity detail, so urgency depends on whether your organization touches this token or reused its code.

Executive priority

Treat this as a targeted exposure question, not a broad enterprise emergency. Prioritize confirmation if your organization holds, integrates, trades, or copied code from MKCB. If there is no MKCB exposure, business urgency is low despite incomplete severity scoring.

Technical view

The issue is in MKCB token contract logic: setPrices() can assign a large sellPrice, and sell() multiplies amount by sellPrice without documented overflow protection. The CVE record does not name a vendor, version, CVSS score, patch, or CWE, and only cites a public blockchain vulnerability reference.

Likely exposure

Exposure appears narrow: direct MKCB token holders, systems integrating with that token, or projects that copied the vulnerable smart contract pattern. The CVE record lists affected vendor and product as n/a, so confirm exposure from your own token, wallet, exchange, or contract inventory.

Exploitation context

CISA KEV is false, and the supplied sources do not claim active exploitation. The described condition depends on the owner setting sellPrice to a large value, causing overflow in a sell calculation. No exploit status, observed abuse, or proof-of-concept details are provided in the bundle.

Researcher notes

The record is sparse: no CVSS, CWE, vendor, versions, patch, or exploit confirmation. The core signal is unchecked multiplication in smart contract sell logic after owner-controlled sellPrice configuration. Analysis should focus on contract provenance and whether the vulnerable arithmetic exists in deployed or forked code.

Mitigation direction

  • Check whether any application, treasury, wallet, or exchange flow uses MKCB.
  • Review vendor or project guidance before relying on a fix assumption.
  • Avoid deploying forks of the referenced contract without overflow-safe arithmetic review.
  • For owned forks, require smart contract audit before production use.
  • Limit business reliance on affected token flows until exposure is confirmed.

Validation and detection

  • Inventory token contracts and integrations for MKCB references.
  • Check copied contract code for setPrices(), sellPrice, and sell() arithmetic.
  • Confirm whether arithmetic overflow protection is present in any forked implementation.
  • Review internal transaction exposure involving MKCB token flows.
  • Document findings because public affected-version data is incomplete.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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description · low confidence lookup

Credential and access behavior lookup

The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2018-14084 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.