Vulnerability Details

Coinhive JavaScript Miner Detection

Published: 2018-02-12 14:41:40

CVSS Base Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:N

Summary:
This script reports if a web page of the remote host contains code from the Coinhive JavaScript Miner.

Technical Details:
While the Coinhive JavaScript Miner might be deployed legitimately, it is often used by attackers for malicious purposes to consume unauthorized resources of a client browsing a web site. This script reports results of rudimentary checks for the following strings embedded into any web page of the remote host: - CoinHive.Anonymous - CoinHive.User - CoinHive.Token NOTE: There are various obfuscation technologies available to hide such JavaScript from the scanner, thus the mentioned 'rudimentary checks' above. NOTE2: No vulnerability is reported if the Coinhive JavaScript is loaded from the authedmine.com domain. This JavaScript code only run after an explicit opt-in / agreement from the user.

Impact:
If the Coinhive JavaScript Miner is started without a configured OptOut possibility for the client, unauthorized resources of this client will be used.

Recommendations:
Inspect all reported web pages / URLs if the Coinhive JavaScript Miner was deployed legitimately and remove it if not.

Detection Type:
Remote Banner

Solution Type:
Mitigation

References:

https://nakedsecurity.sophos.com/2018/02/12/cryptomining-script-poisons-government-websites-what-to-do/

Severity
Medium
CVSS Score
4.3
Published
2018-02-12
Modified
2018-08-02
Category
Malware

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