Integer overflow in Bitcoin Red Project

CVE-2018-11687

An integer overflow in the distributeBTR function of a smart contract implementation for Bitcoin Red (BTCR), an Ethereum ERC20 token, allows the owner to accomplish an unauthorized increase of digital assets by providing a large address[] array, as exploited in the wild in May 2018, aka the "ownerUnderflow" issue.

Vulnerability class: Integer Overflow

EPSS: 0.013 (67.0th 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-2018-11687?
CVE-2018-11687 is a high-severity vulnerability in Bitcoin Red Project, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2018-08-15.
How severe is CVE-2018-11687?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-11687 known to be exploited?
12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.