CVE-2018-2421 Explained : Impact and Mitigation

SAP Internet Graphics Server (IGS) versions 7.20, 7.20EXT, 7.45, 7.49, and 7.53 have a vulnerability that can be exploited for a denial-of-service attack.

Understanding CVE-2018-2421

The SAP Internet Graphics Server (IGS) Portwatcher has a vulnerability that can disrupt service availability.

What is CVE-2018-2421?

The vulnerability in SAP IGS allows attackers to crash or overload the service, denying access to authorized users.

The Impact of CVE-2018-2421

CVSS Base Score: 5.3 (Medium Severity)
Attack Vector: Network
Attack Complexity: Low
Availability Impact: Low
The vulnerability can lead to service disruption, affecting legitimate users' access.

Technical Details of CVE-2018-2421

The technical aspects of the vulnerability in SAP IGS.

Vulnerability Description

The flaw in SAP IGS versions 7.20, 7.20EXT, 7.45, 7.49, and 7.53 allows attackers to disrupt service availability.

Affected Systems and Versions

Affected Systems: SAP Internet Graphics Server (IGS)
Affected Versions: 7.20, 7.20EXT, 7.45, 7.49, 7.53

Exploitation Mechanism

Attackers can exploit the vulnerability to crash the service or overload it with excessive requests.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2018-2421 vulnerability.

Immediate Steps to Take

Apply security patches provided by SAP promptly.
Monitor system logs for any unusual activity.
Implement network-level controls to mitigate potential attacks.

Long-Term Security Practices

Regularly update and patch SAP IGS to address security vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses.

Patching and Updates

Stay informed about security updates and advisories from SAP.