CVE-2018-17891 Explained : Impact and Mitigation

Carestream Vue RIS, RIS Client Builds: Version 11.2 and prior running on a Windows 8.1 machine with IIS/7.5 may expose technical details leading to potential exploitation.

Understanding CVE-2018-17891

If Carestream Vue RIS, RIS Client Builds: Version 11.2 or earlier is installed on a Windows 8.1 computer with IIS/7.5 and the user tries to connect to a Carestream server without an Oracle TNS listener, an HTTP 500 error may occur, potentially exposing exploitable technical details.

What is CVE-2018-17891?

This CVE pertains to an information exposure vulnerability in Carestream Vue RIS, specifically in RIS Client Builds: Version 11.2 and earlier, when running on a Windows 8.1 machine with IIS/7.5.

The Impact of CVE-2018-17891

The vulnerability could allow an attacker to obtain technical details that may be used to launch more sophisticated attacks.

Technical Details of CVE-2018-17891

Carestream Vue RIS, RIS Client Builds: Version 11.2 and prior running on a Windows 8.1 machine with IIS/7.5 are affected by this vulnerability.

Vulnerability Description

When attempting to connect to a Carestream server lacking an Oracle TNS listener, users may encounter an HTTP 500 error, potentially exposing technical details exploitable by attackers.

Affected Systems and Versions

Product: Vue RIS
Vendor: Carestream
Versions Affected: RIS Client Builds: Version 11.2 and prior running on a Windows 8.1 machine with IIS/7.5

Exploitation Mechanism

The vulnerability arises when users with the specified software configuration attempt to connect to a Carestream server without an Oracle TNS listener, triggering an HTTP 500 error that could reveal sensitive technical information.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of CVE-2018-17891.

Immediate Steps to Take

Ensure that all Carestream Vue RIS installations are updated to the latest version to mitigate the vulnerability.
Implement network segmentation to limit exposure of vulnerable systems.

Long-Term Security Practices

Regularly monitor and update software to patch known vulnerabilities.
Conduct security assessments to identify and address potential weaknesses in the system.

Patching and Updates

Carestream users should apply patches provided by the vendor to address the vulnerability and enhance system security.