CVE-2018-2472 in Business Intelligence
Summary
by MITRE
SAP BusinessObjects Business Intelligence Platform 4.10 and 4.20 (Web Intelligence DHTML client) does not sufficiently encode user-controlled inputs, resulting in Cross-Site Scripting (XSS) vulnerability.
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Analysis
by VulDB Data Team • 04/01/2020
The vulnerability identified as CVE-2018-2472 affects SAP BusinessObjects Business Intelligence Platform versions 4.10 and 4.20, specifically within the Web Intelligence DHTML client component. This issue represents a critical security flaw that stems from inadequate input validation and output encoding mechanisms within the web-based interface. The vulnerability falls under the Common Weakness Enumeration category CWE-79 which specifically addresses Cross-Site Scripting flaws where web applications fail to properly encode user-supplied data before incorporating it into web pages served to other users.
The technical implementation of this vulnerability occurs when the Web Intelligence DHTML client processes user inputs without sufficient sanitization or encoding measures. When users interact with the platform and provide input through various interface elements, the system fails to properly escape or encode special characters that could be interpreted as HTML or JavaScript code. This oversight allows malicious actors to inject malicious scripts into the application's response, which then executes in the context of other users' browsers. The vulnerability is particularly concerning because it affects the core web interface component that users interact with directly, making it easily exploitable through standard web-based attack vectors.
The operational impact of this vulnerability extends beyond simple data theft or session hijacking. An attacker who successfully exploits this XSS flaw can potentially perform a wide range of malicious activities including stealing user sessions, defacing web pages, redirecting users to malicious sites, or even executing arbitrary code within the victim's browser context. The business intelligence platform's role in handling sensitive corporate data makes this vulnerability particularly dangerous, as it could allow unauthorized access to confidential business reports, financial data, and strategic information. The attack surface is broad since the vulnerability affects the web client component that all users interact with, making it a prime target for mass exploitation.
Mitigation strategies for CVE-2018-2472 should focus on implementing proper input validation and output encoding mechanisms throughout the application's codebase. Organizations should ensure that all user-supplied inputs are properly sanitized before being processed or displayed, with particular attention to the Web Intelligence DHTML client components. The recommended approach includes implementing comprehensive HTML encoding for all dynamic content, utilizing Content Security Policy headers, and ensuring that the application follows secure coding practices as outlined in OWASP Top Ten and NIST guidelines. SAP has released patches and updates to address this vulnerability, and organizations should immediately apply these security updates while also implementing additional defensive measures such as web application firewalls and monitoring for suspicious user behavior patterns that could indicate exploitation attempts.