PT-2019-10115 · Bitcoin+2 · Bitcoin Core+2

Published 2019-02-11 · Updated 2019-10-03 · CVE-2018-20587

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions: Bitcoin Core versions 0.12.0 through 0.17.1 Bitcoin Knots versions 0.12.0 through 0.17.x before 0.17.1.knots20181229

Description: The issue allows local users to exploit Incorrect Access Control, potentially leading to currency theft. This is achieved by binding the RPC IPv4 localhost port and forwarding requests to the IPv6 localhost port.

Recommendations: For Bitcoin Core versions 0.12.0 through 0.17.1, update to a version outside of this range to resolve the issue. For Bitcoin Knots versions 0.12.0 through 0.17.x before 0.17.1.knots20181229, update to version 0.17.1.knots20181229 or later to fix the problem.

Fix

Related Identifiers

ALT-PU-2019-1759

CVE-2018-20587

Affected Products

Alt Linux

Bitcoin Core

Bitcoin Knots

References · 7

• https://errata.altlinux.org/ALT-PU-2019-1759 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-20587 · Security Note
• https://osv.dev/vulnerability/CVE-2018-20587 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20587 · Security Note
• https://medium.com/%40lukedashjr/cve-2018-20587-advisory-and-full-disclosure-a3105551e78b · Note
• https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2018-20587 · Note
• https://packages.altlinux.org/ru/vuln/CVE-2018-20587 · Note