Integer overflow in Beauty Ecosystem Coin

CVE-2018-10299

An integer overflow in the batchTransfer function of a smart contract implementation for Beauty Ecosystem Coin (BEC), the Ethereum ERC20 token used in the Beauty Chain economic system, allows attackers to accomplish an unauthorized increase of digital assets by providing two _receivers arguments in conjunction with a large _value argument, as exploited in the wild in April 2018, aka the "batchOverflow" issue.

Vulnerability class: Integer Overflow

EPSS: 0.028 (84.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-10299?
CVE-2018-10299 is a high-severity vulnerability in Beauty Ecosystem Coin, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2018-04-23.
How severe is CVE-2018-10299?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-10299 known to be exploited?
15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.