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CVE-2018-17980

7.8 · HIGH

NoMachine before 5.3.27 and 6.x before 6.3.6 allows attackers to gain privileges via a Trojan horse wintab32.dll file located in the same directory as a .nxs file, as demonstrated by a scenario whe…

Published Oct 15, 2018CWE-426EPSS 4.55%

Overview

CVE-2018-17980 is a high-severity vulnerability. It was published on October 15, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

NoMachine before 5.3.27 and 6.x before 6.3.6 allows attackers to gain privileges via a Trojan horse wintab32.dll file located in the same directory as a .nxs file, as demonstrated by a scenario where the .nxs file and the DLL are in the current working directory, and the Trojan horse code is executed. (The directory could, in general, be on a local filesystem or a network share.).

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

Refhyp3rlinx.altervista.org/advisories/NOMACHINE-TROJAN-FILE-REMOTE-CODE-EXECUTION.txtRefpacketstormsecurity.com/files/149784/NoMachine-5.3.26-Remote-Code-Execution.htmlRefwww.exploit-db.com/exploits/45611/Refwww.nomachine.com/TR10P08887Refhyp3rlinx.altervista.org/advisories/NOMACHINE-TROJAN-FILE-REMOTE-CODE-EXECUTION.txtRefpacketstormsecurity.com/files/149784/NoMachine-5.3.26-Remote-Code-Execution.htmlRefwww.exploit-db.com/exploits/45611/Refwww.nomachine.com/TR10P08887

How CyberStrike helps

Frequently asked questions

What is CVE-2018-17980?

CVE-2018-17980 is a high-severity vulnerability. It was published on October 15, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).

How severe is CVE-2018-17980?

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-17980?

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-2018-17980?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-17980 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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