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CVE-2018-16156

7.8 · HIGH

In PaperStream IP (TWAIN) 1.42.0.5685 (Service Update 7), the FJTWSVIC service running with SYSTEM privilege processes unauthenticated messages received over the FjtwMkic_Fjicube_32 named pipe.

Published May 17, 2019CWE-426EPSS 2.56%

Overview

CVE-2018-16156 is a high-severity vulnerability. It was published on May 17, 2019 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In PaperStream IP (TWAIN) 1.42.0.5685 (Service Update 7), the FJTWSVIC service running with SYSTEM privilege processes unauthenticated messages received over the FjtwMkic_Fjicube_32 named pipe. One of these message processing functions attempts to dynamically load the UninOldIS.dll library and executes an exported function named ChangeUninstallString. The default install does not contain this library and therefore if any DLL with that name exists in any directory listed in the PATH variable, it can be used to escalate to SYSTEM level privilege.

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

Refpacketstormsecurity.com/files/160832/PaperStream-IP-TWAIN-1.42.0.5685-Local-Privilege-Escalation.htmlRefwww.securifera.com/advisories/cve-2018-16156/Refpacketstormsecurity.com/files/160832/PaperStream-IP-TWAIN-1.42.0.5685-Local-Privilege-Escalation.htmlRefwww.securifera.com/advisories/cve-2018-16156/

How CyberStrike helps

Frequently asked questions

What is CVE-2018-16156?

CVE-2018-16156 is a high-severity vulnerability. It was published on May 17, 2019 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2018-16156?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-16156?

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-2018-16156?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-16156 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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