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CVE-2018-10831

7.5 · HIGH

Z-NOMP before 2018-04-05 has an incorrect Equihash solution verifier that allows attackers to spoof mining shares, as demonstrated by providing a solution with {x1=1,x2=1,x3=1,...,x512=1} to bypass…

Published May 9, 2018CWE-327EPSS 0.70%

Overview

CVE-2018-10831 is a high-severity vulnerability. It was published on May 9, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Z-NOMP before 2018-04-05 has an incorrect Equihash solution verifier that allows attackers to spoof mining shares, as demonstrated by providing a solution with {x1=1,x2=1,x3=1,...,x512=1} to bypass this verifier for any blockheader. This originally affected (for example) the Bitcoin Gold and Zcash cryptocurrencies, and continued to be exploited in the wild in May 2018 against smaller cryptocurrencies.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refblog.zencash.com/update-for-the-equihash-mining-application-z-nomp/GitHubgithub.com/edwardz246003/misc/blob/master/Attackers%20Fake%20Computational%20Power%20to%20Steal%20Cryptocurrencies%20from%20Mining%20Pools.mdRefblog.zencash.com/update-for-the-equihash-mining-application-z-nomp/GitHubgithub.com/edwardz246003/misc/blob/master/Attackers%20Fake%20Computational%20Power%20to%20Steal%20Cryptocurrencies%20from%20Mining%20Pools.md

How CyberStrike helps

Frequently asked questions

What is CVE-2018-10831?

CVE-2018-10831 is a high-severity vulnerability. It was published on May 9, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2018-10831?

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-10831?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-10831?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-10831 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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