CVE-2018-2393 : Security Advisory and Response
Learn about CVE-2018-2393 affecting SAP Internet Graphics Server versions 7.20, 7.20EXT, 7.45, 7.49, 7.53. Find out the impact, technical details, and mitigation steps.
SAP Internet Graphics Server (IGS) versions 7.20, 7.20EXT, 7.45, 7.49, 7.53 are affected by a vulnerability that leads to the unavailability of the server due to inadequate validation of XML External Entities.
Understanding CVE-2018-2393
In specific scenarios, when subjected to certain conditions, SAP Internet Graphics Server (IGS) versions 7.20, 7.20EXT, 7.45, 7.49, 7.53, do not perform appropriate validation of XML External Entity, resulting in the unavailability of the SAP Internet Graphics Server (IGS).
What is CVE-2018-2393?
Under certain conditions, SAP Internet Graphics Server (IGS) versions 7.20, 7.20EXT, 7.45, 7.49, 7.53, fail to validate XML External Entities appropriately, causing the server to become unavailable.
The Impact of CVE-2018-2393
The vulnerability can result in the unavailability of the SAP Internet Graphics Server (IGS) when exposed to specific conditions due to inadequate validation of XML External Entities.
Technical Details of CVE-2018-2393
The technical aspects of the vulnerability are as follows:
Vulnerability Description
The issue arises from the failure to validate XML External Entities properly in SAP Internet Graphics Server (IGS) versions 7.20, 7.20EXT, 7.45, 7.49, 7.53.
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
The vulnerability can be exploited by malicious actors to render the SAP Internet Graphics Server (IGS) unavailable by manipulating XML External Entities.
Mitigation and Prevention
To address CVE-2018-2393, the following steps are recommended:
Immediate Steps to Take
- Apply security patches provided by SAP promptly.
- Monitor SAP security advisories for updates and recommendations.
Long-Term Security Practices
- Regularly update and patch SAP Internet Graphics Server to mitigate known vulnerabilities.
- Implement secure coding practices to prevent XML External Entity vulnerabilities.
Patching and Updates
- Ensure that the SAP Internet Graphics Server is updated with the latest security patches from SAP.