CVE-2018-2396 Explained : Impact and Mitigation

A denial-of-service vulnerability affecting SAP Internet Graphics Server versions 7.20, 7.20EXT, 7.45, 7.49, and 7.53 can be exploited by unauthorized users, potentially blocking legitimate access to the server.

Understanding CVE-2018-2396

What is CVE-2018-2396?

The CVE-2018-2396 vulnerability involves the IGS Interpreter service in SAP Internet Graphics Server, allowing malicious users to disrupt server access under specific conditions.

The Impact of CVE-2018-2396

The vulnerability can lead to denial of service, hindering legitimate users from accessing the SAP Internet Graphics Server.

Technical Details of CVE-2018-2396

Vulnerability Description

The IGS Interpreter service in SAP Internet Graphics Server versions 7.20, 7.20EXT, 7.45, 7.49, and 7.53 is susceptible to obstruction by unauthorized users.

Affected Systems and Versions

Product: SAP Internet Graphics Server
Vendor: SAP SE
Affected Versions: 7.20, 7.20EXT, 7.45, 7.49, 7.53

Exploitation Mechanism

Malicious users can exploit the IGS Interpreter service to disrupt server access, potentially causing denial of service.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by SAP to address the vulnerability.
Monitor server logs for any unusual activities that may indicate exploitation.

Long-Term Security Practices

Regularly update and patch all software and systems to prevent vulnerabilities.
Implement network segmentation and access controls to limit unauthorized access.

Patching and Updates

Stay informed about security updates and advisories from SAP.