Medium severity · published Feb 11, 2019
CVE-2018-20587
Bitcoin Core 0.12.0 through 0.17.1 and Bitcoin Knots 0.12.0 through 0.17.x before 0.17.1.knots20181229 have Incorrect Access Control
5.5
CVSS
0.4%
EPSS
No
On KEV
Description
Bitcoin Core 0.12.0 through 0.17.1 and Bitcoin Knots 0.12.0 through 0.17.x before 0.17.1.knots20181229 have Incorrect Access Control. Local users can exploit this to steal currency by binding the RPC IPv4 localhost port, and forwarding requests to the IPv6 localhost port.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BC
Bitcoin Core · Bitcoin
0.12.0 through 0.17.1 · source: NVD
BK
Bitcoin Knots · Bitcoinknots
0.12.0 through 0.17.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20587
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20587
Third Party Advisory
https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2018-20587
medium.com
https://medium.com/%40lukedashjr/cve-2018-20587-advisory-and-full-disclosure-a3105551e78b
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