Auth bypass in Ethereum Cpp-Ethereum
CVE-2017-12114
An exploitable improper authorization vulnerability exists in admin_peers API of cpp-ethereum's JSON-RPC (commit 4e1015743b95821849d001618a7ce82c7c073768). A JSON request can cause an access to the restricted functionality resulting in authorization bypass. An attacker can send JSON to trigger this vulnerability.
Vulnerability class: Broken Access Control
EPSS: 0.014 (69.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N.
Affected products
- Ethereum Cpp-ethereum
- Talos Cpp-ethereum — versions Ethereum commit 4e1015743b95821849d001618a7ce82c7c073768
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talos-cna@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
- talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-12114?
- CVE-2017-12114 is a medium-severity vulnerability in Ethereum Cpp-Ethereum, classified under Incorrect Authorization. CVSS score: 6.8/10. Published 2018-01-19.
- How severe is CVE-2017-12114?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2017-12114 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.