CVE-2019-0262 in Webintelligence BILaunchPad
Summary
by MITRE
SAP WebIntelligence BILaunchPad, versions 4.10, 4.20, does not sufficiently encode user-controlled inputs in generated HTML reports, resulting in Cross-Site Scripting (XSS) vulnerability.
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Analysis
by VulDB Data Team • 07/10/2023
SAP WebIntelligence BILaunchPad represents a critical web-based interface for business intelligence reporting and analytics within the SAP ecosystem. This component serves as the primary gateway for users to access, create, and interact with various data visualization reports and dashboards. The vulnerability exists in versions 4.10 and 4.20 of the software, where the application fails to properly sanitize or encode user-provided input data before incorporating it into dynamically generated HTML content. This flaw creates a persistent cross-site scripting vulnerability that can be exploited by malicious actors to execute arbitrary JavaScript code within the context of a victim's browser session.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding mechanisms within the BILaunchPad component. When users create or modify reports, they can inject malicious payloads through various input fields that are subsequently rendered in HTML output without proper sanitization. The vulnerability specifically affects how the application handles user-controlled data in report generation processes, where HTML content is constructed dynamically based on user inputs. This flaw aligns with CWE-79 which categorizes cross-site scripting vulnerabilities as a result of insufficient input validation and output encoding. The attack vector occurs when a malicious user crafts specially designed input strings containing JavaScript code that gets executed when other users view the affected reports.
The operational impact of this vulnerability extends beyond simple data theft or defacement, as it enables sophisticated attack scenarios within enterprise environments. An attacker who successfully exploits this vulnerability can establish persistent access to user sessions, potentially leading to unauthorized data access, privilege escalation, or lateral movement within the SAP infrastructure. The vulnerability affects the confidentiality, integrity, and availability of business intelligence data, as attackers can manipulate report outputs, inject malicious content, or redirect users to phishing sites. This weakness particularly impacts organizations using SAP WebIntelligence for sensitive business reporting, where the compromised systems may contain proprietary financial data, strategic business metrics, or customer information. The vulnerability also aligns with ATT&CK technique T1566 which describes social engineering attacks through malicious content, and T1059 which covers execution through scripting languages.
Organizations should immediately implement multiple layers of defense to mitigate this vulnerability. The primary mitigation involves applying the official SAP security patches released for this CVE, which typically include enhanced input validation and output encoding mechanisms. Network segmentation and access controls should be strengthened to limit exposure of the BILaunchPad component to only authorized users. Web application firewalls can be configured to detect and block known XSS attack patterns in HTTP traffic. Additionally, organizations should implement comprehensive user input sanitization policies and conduct regular security assessments of their SAP environments. The mitigation strategy should also include user education programs to raise awareness about phishing attempts and suspicious report behaviors. Regular monitoring of system logs for unusual activities and implementing proper incident response procedures are essential components of a comprehensive defense strategy against this and similar vulnerabilities.