CVE-2018-2386 Explained : Impact and Mitigation

SAP Internet Graphics Server versions 7.20, 7.20EXT, 7.45, 7.49, 7.53 are susceptible to a buffer overflow vulnerability that can be exploited by malicious actors to disrupt legitimate user access.

Understanding CVE-2018-2386

This CVE involves a Denial-of-Service vulnerability in SAP Internet Graphics Server.

What is CVE-2018-2386?

A buffer overflow issue in SAP Internet Graphics Server versions 7.20, 7.20EXT, 7.45, 7.49, 7.53 can be triggered by malicious users, leading to a denial of service.

The Impact of CVE-2018-2386

The vulnerability allows attackers to disrupt the availability of the SAP Internet Graphics Server, potentially causing downtime and hindering user access.

Technical Details of CVE-2018-2386

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

A buffer overflow condition in SAP Internet Graphics Server versions 7.20, 7.20EXT, 7.45, 7.49, 7.53 can be exploited to impede legitimate user access.

Affected Systems and Versions

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

Exploitation Mechanism

Malicious individuals intentionally trigger a buffer overflow, exceeding defined limits, to obstruct legitimate user access.

Mitigation and Prevention

Protect your systems from CVE-2018-2386 with the following measures.

Immediate Steps to Take

Apply security patches provided by SAP promptly.
Monitor system logs for any unusual activities.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Educate users on security best practices to prevent social engineering attacks.

Patching and Updates

Regularly update and patch SAP Internet Graphics Server to mitigate the risk of buffer overflow vulnerabilities.