Vulnerability identifier: #VU9968

Vulnerability risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2017-12114

CWE-ID: CWE-285

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CPP-Ethereum
Universal components / Libraries / Software for developers

Vendor: Ethereum

Description
The vulnerability allows a remote attacker to bypass authorization on the target system.

The weakness exists in admin_peers API of cpp-ethereum's JSON-RPC due to improper authorization. A remote attacker can make a specially crafted JSON request, gain access to the restricted functionality and bypass authorization.

Mitigation
Cybersecurity Help is currently unaware of any solutions addressing the vulnerability.

Vulnerable software versions

CPP-Ethereum: All versions

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External links
http://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0466

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.