CVE-2018-2420 : What You Need to Know
Discover the impact of CVE-2018-2420 affecting SAP Internet Graphics Server (IGS) versions 7.20, 7.20EXT, 7.45, 7.49, and 7.53. Learn about the vulnerability, its exploitation, and mitigation steps.
A vulnerability in SAP Internet Graphics Server (IGS) versions 7.20, 7.20EXT, 7.45, 7.49, and 7.53 allows unauthorized file uploads, potentially including harmful scripts.
Understanding CVE-2018-2420
What is CVE-2018-2420?
SAP Internet Graphics Server (IGS) versions 7.20, 7.20EXT, 7.45, 7.49, and 7.53 are affected by a vulnerability that permits unauthorized users to upload files of any type due to inadequate file format validation.
The Impact of CVE-2018-2420
This vulnerability has a CVSS base score of 6.5 (Medium severity) and can lead to high availability impact by allowing unauthorized file uploads.
Technical Details of CVE-2018-2420
Vulnerability Description
The flaw in SAP IGS versions allows attackers to upload files, potentially harmful scripts, without proper validation.
Affected Systems and Versions
- SAP Internet Graphics Server (IGS) versions 7.20, 7.20EXT, 7.45, 7.49, 7.53
Exploitation Mechanism
- Attack Complexity: High
- Attack Vector: Network
- Availability Impact: High
- Integrity Impact: Low
- Privileges Required: None
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by SAP promptly.
- Implement proper input validation mechanisms to prevent unauthorized file uploads.
Long-Term Security Practices
- Regularly update and patch SAP IGS to mitigate known vulnerabilities.
- Conduct security assessments to identify and address potential weaknesses.
Patching and Updates
- Stay informed about security updates and advisories from SAP.