CVE-2019-0303 : Security Advisory and Response
Learn about CVE-2019-0303 affecting SAP BusinessObjects Business Intelligence Platform versions 4.2 and 4.3. Understand the XSS vulnerability and mitigation steps.
SAP BusinessObjects Business Intelligence Platform (Administration Console) versions 4.2 and 4.3 are vulnerable to a Cross-Site Scripting (XSS) attack through the BILogon/appService.jsp module.
Understanding CVE-2019-0303
This CVE involves a security vulnerability in SAP BusinessObjects Business Intelligence Platform (Administration Console) versions 4.2 and 4.3, allowing attackers to execute malicious JavaScript code.
What is CVE-2019-0303?
The vulnerability in the module BILogon/appService.jsp of SAP BusinessObjects Business Intelligence Platform (Administration Console) versions 4.2 and 4.3 enables attackers to craft URLs that execute custom JavaScript code.
The Impact of CVE-2019-0303
This vulnerability can be exploited by malicious actors to launch Cross-Site Scripting attacks, potentially compromising the confidentiality and integrity of the affected systems.
Technical Details of CVE-2019-0303
The technical aspects of this CVE include:
Vulnerability Description
The vulnerability arises from the failure to properly sanitize the errMsg parameter in the BILogon/appService.jsp module, allowing for the execution of custom JavaScript code.
Affected Systems and Versions
- Product: SAP BusinessObjects Business Intelligence Platform (Administration Console)
- Versions: < 4.2, < 4.3
Exploitation Mechanism
Attackers can exploit this vulnerability by constructing specially crafted URLs that contain malicious JavaScript code, which gets executed when the URL is accessed.
Mitigation and Prevention
To address CVE-2019-0303, consider the following steps:
Immediate Steps to Take
- Apply security patches provided by SAP to fix the vulnerability.
- Monitor and restrict access to the affected module to prevent unauthorized exploitation.
Long-Term Security Practices
- Conduct regular security assessments and audits to identify and mitigate potential vulnerabilities.
- Educate users and administrators on secure coding practices and the risks of XSS attacks.
Patching and Updates
- Stay informed about security updates and patches released by SAP for the BusinessObjects Business Intelligence Platform.