CVE-2017-8913 : Security Advisory and Response
Learn about CVE-2017-8913, a vulnerability in SAP NetWeaver AS JAVA 7.5 allowing XXE attacks. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
SAP NetWeaver AS JAVA 7.5 includes a component called Visual Composer VC70RUNTIME, which has a vulnerability that enables remote authenticated users to perform XML External Entity (XXE) attacks.
Understanding CVE-2017-8913
This CVE involves a security vulnerability in SAP NetWeaver AS JAVA 7.5 that allows for XML External Entity (XXE) attacks.
What is CVE-2017-8913?
The Visual Composer VC70RUNTIME component in SAP NetWeaver AS JAVA 7.5 allows remote authenticated users to conduct XXE attacks by sending a specially crafted XML document as part of a request to a specific endpoint.
The Impact of CVE-2017-8913
This vulnerability can be exploited by remote authenticated users to execute XXE attacks, potentially leading to unauthorized access to sensitive information or system compromise.
Technical Details of CVE-2017-8913
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability in Visual Composer VC70RUNTIME component of SAP NetWeaver AS JAVA 7.5 enables remote authenticated users to perform XXE attacks by manipulating XML documents in requests to a specific endpoint.
Affected Systems and Versions
- Product: SAP NetWeaver AS JAVA 7.5
- Vendor: SAP
- Version: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by sending a specially crafted XML document to the endpoint irj/servlet/prt/portal/prtroot/com.sap.visualcomposer.BIKit.default.
Mitigation and Prevention
Protecting systems from CVE-2017-8913 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply the necessary security patches provided by SAP.
- Monitor and restrict access to the vulnerable component.
- Educate users on safe practices to prevent exploitation.
Long-Term Security Practices
- Regularly update and patch SAP NetWeaver AS JAVA to address security vulnerabilities.
- Conduct security assessments and audits to identify and mitigate potential risks.
Patching and Updates
Ensure that the system is updated with the latest security patches and fixes to prevent exploitation of this vulnerability.