CVE-2018-2391 Explained : Impact and Mitigation

CVE-2018-2391 was published on February 14, 2018, by SAP. The vulnerability affects SAP Internet Graphics Server (IGS) versions 7.20, 7.20EXT, 7.45, 7.49, and 7.53, potentially allowing unauthorized individuals to disrupt access to the server.

Understanding CVE-2018-2391

This CVE highlights a security issue in the IGS portwatcher service that could be exploited under specific conditions.

What is CVE-2018-2391?

When certain circumstances are met, malicious users can impede legitimate users from reaching the SAP Internet Graphics Server by exploiting the IGS portwatcher service.

The Impact of CVE-2018-2391

The vulnerability could lead to a denial of service situation where authorized users are prevented from accessing the SAP IGS.

Technical Details of CVE-2018-2391

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

Under specific conditions, unauthorized individuals can obstruct authorized users from accessing the SAP Internet Graphics Server by exploiting the IGS portwatcher service.

Affected Systems and Versions

SAP Internet Graphics Server (IGS) versions 7.20, 7.20EXT, 7.45, 7.49, 7.53

Exploitation Mechanism

The vulnerability is exploited through the IGS portwatcher service, allowing malicious users to disrupt access to the server.

Mitigation and Prevention

To address CVE-2018-2391, follow these mitigation and prevention strategies:

Immediate Steps to Take

Apply security patches provided by SAP promptly
Monitor network traffic for any suspicious activities related to the IGS portwatcher service

Long-Term Security Practices

Regularly update and patch SAP systems to prevent vulnerabilities
Implement network segmentation to limit the impact of potential attacks

Patching and Updates

Stay informed about security updates and patches released by SAP
Ensure timely implementation of patches to protect against known vulnerabilities