CVE-2017-12117: High severity ethereum blockchain vulnerability

Published Jan 19, 2018
·
Updated

An exploitable improper authorization vulnerability exists in minerstart 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.

Affected Software

1 affected component
Ethereum cpp-ethereum

Event History

Jan 19, 2018
CVE Published
via MITRE·10:00 PM
Data Sourced
via MITRE·10:00 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the vulnerability ID for this vulnerability?

The vulnerability ID for this vulnerability is CVE-2017-12117.

2

How severe is CVE-2017-12117?

CVE-2017-12117 has a severity rating of 8.1 (High).

3

What is the affected software for CVE-2017-12117?

The affected software for CVE-2017-12117 is Ethereum Cpp-ethereum.

4

How can an attacker exploit CVE-2017-12117?

An attacker can exploit CVE-2017-12117 by sending a crafted JSON request to the miner_start API of cpp-ethereum's JSON-RPC, causing an access to restricted functionality and bypassing authorization.

5

Are there any references for CVE-2017-12117?

Yes, you can find references for CVE-2017-12117 at the following links: [http://www.securityfocus.com/bid/102475](http://www.securityfocus.com/bid/102475) and [https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0469](https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0469).

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