CVE-2018-2423 : Security Advisory and Response

SAP Internet Graphics Server (IGS) versions 7.20, 7.20EXT, 7.45, 7.49, 7.53 are vulnerable to a Denial-of-Service attack, potentially impacting service availability.

Understanding CVE-2018-2423

The vulnerability in SAP Internet Graphics Server (IGS) versions 7.20, 7.20EXT, 7.45, 7.49, 7.53 allows attackers to disrupt service access for authorized users.

What is CVE-2018-2423?

The CVE-2018-2423 vulnerability affects SAP Internet Graphics Server (IGS) versions 7.20, 7.20EXT, 7.45, 7.49, 7.53, enabling attackers to impede authorized user access by crashing the service or flooding it with excessive requests.

The Impact of CVE-2018-2423

The vulnerability poses a medium severity risk with a CVSS base score of 5.3. Attackers can exploit this issue to disrupt service availability, potentially affecting legitimate users' access.

Technical Details of CVE-2018-2423

The technical aspects of the CVE-2018-2423 vulnerability.

Vulnerability Description

Attackers can exploit SAP IGS versions 7.20, 7.20EXT, 7.45, 7.49, 7.53, along with HTTP and RFC listeners, to hinder authorized user access.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers can disrupt service access by crashing the system or overwhelming it with excessive requests.

Mitigation and Prevention

Protective measures to address CVE-2018-2423.

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 prevent vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.

Patching and Updates

Stay informed about security updates and apply patches as soon as they are released.