What is CVE-2017-12116?

CVE-2017-12116 is a high-severity vulnerability in Ethereum Aleth, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2018-01-19.

How severe is CVE-2017-12116?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2017-12116 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Ethereum Aleth

CVE-2017-12116

An exploitable improper authorization vulnerability exists in miner_setGasPrice 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: 0.017 (74.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ethereum Aleth
Talos Cpp-ethereum — versions Ethereum commit 4e1015743b95821849d001618a7ce82c7c073768

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

Public proof-of-concept exploits

demining/Solidity-Forcibly-Send-Ether-Vulnerability

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-2017-12116?: CVE-2017-12116 is a high-severity vulnerability in Ethereum Aleth, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2018-01-19.
How severe is CVE-2017-12116?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2017-12116 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.