CVE-2018-7837 : Vulnerability Insights and Analysis

IIoT Monitor 3.1.38 software by Schneider Electric SE is affected by an XML External Entity Reference ('XXE') vulnerability, potentially exposing sensitive information.

Understanding CVE-2018-7837

The vulnerability was made public on December 24, 2018, and can allow the software to access and include incorrect documents in its output.

What is CVE-2018-7837?

The XXE vulnerability in IIoT Monitor 3.1.38 allows the software to reference external entities in XML files improperly, leading to potential exposure of restricted information.

The Impact of CVE-2018-7837

The vulnerability can result in the software accessing and including incorrect documents in its output, potentially exposing sensitive information that should be restricted.

Technical Details of CVE-2018-7837

IIoT Monitor 3.1.38 is affected by the following:

Vulnerability Description

The software has an XXE vulnerability that improperly restricts its ability to reference external entities in XML files.

Affected Systems and Versions

Product: IIoT Monitor 3.1.38
Vendor: Schneider Electric SE

Exploitation Mechanism

The vulnerability allows the software to resolve documents outside of its intended control, embedding incorrect documents into its output.

Mitigation and Prevention

It is crucial to take immediate steps and implement long-term security practices to mitigate the risk of CVE-2018-7837.

Immediate Steps to Take

Update the IIoT Monitor software to the latest version.
Monitor and restrict access to sensitive information.

Long-Term Security Practices

Regularly update and patch software to address vulnerabilities.
Conduct security assessments and audits to identify and mitigate risks.

Patching and Updates

Ensure that all security patches and updates provided by Schneider Electric SE are promptly applied.