CVE-2022-41267 Overview
CVE-2022-41267 is a critical arbitrary file upload vulnerability affecting SAP Business Objects Platform versions 420 and 430. This vulnerability allows an attacker with normal BI user privileges to upload or replace any file on the Business Objects server at the operating system level. Successful exploitation enables the attacker to take full control of the system, resulting in severe impacts on confidentiality, integrity, and availability of the application.
The vulnerability is classified under CWE-434 (Unrestricted Upload of File with Dangerous Type), which represents a significant security risk in enterprise business intelligence environments where SAP Business Objects is commonly deployed.
Critical Impact
Authenticated attackers with basic BI user privileges can achieve complete system compromise by uploading malicious files to the server, potentially leading to remote code execution and full control of the Business Objects infrastructure.
Affected Products
- SAP Business Objects Business Intelligence Platform version 420
- SAP Business Objects Business Intelligence Platform version 430
Discovery Timeline
- December 13, 2022 - CVE-2022-41267 published to NVD
- November 21, 2024 - Last updated in NVD database
Technical Details for CVE-2022-41267
Vulnerability Analysis
This vulnerability represents a severe unrestricted file upload flaw in SAP Business Objects Platform. The attack can be executed remotely over the network and requires only low-level user authentication—specifically, basic BI user privileges that are commonly assigned to regular business users. No user interaction is required to exploit this vulnerability, making it particularly dangerous in enterprise environments.
The flaw allows authenticated users to bypass intended access restrictions and upload arbitrary files directly to the operating system level of the Business Objects server. This unrestricted file upload capability can be leveraged to deploy web shells, backdoors, or other malicious payloads that enable complete server takeover.
Root Cause
The root cause of CVE-2022-41267 is insufficient validation and access control on file upload functionality within the SAP Business Objects Platform. The application fails to properly restrict:
- File type validation - The platform does not adequately validate the type of files being uploaded, allowing potentially executable or dangerous file types.
- Upload path restrictions - Users can specify or manipulate the destination path for uploaded files, enabling writes to sensitive system directories.
- Privilege verification - The file upload mechanism does not properly verify that the authenticated user has appropriate privileges for file system operations at the OS level.
Attack Vector
The attack vector for CVE-2022-41267 involves network-based exploitation by an authenticated user. An attacker who has obtained or been assigned standard BI user credentials can exploit this vulnerability through the following attack flow:
- Authentication: The attacker authenticates to the SAP Business Objects Platform with valid BI user credentials.
- File Upload Abuse: The attacker leverages the vulnerable file upload functionality to upload a malicious file (such as a web shell or executable) to a strategic location on the server.
- File Replacement: Alternatively, the attacker may replace existing system files to manipulate application behavior or establish persistence.
- Code Execution: By placing executable content in web-accessible directories or overwriting configuration files, the attacker achieves code execution on the underlying server.
- System Compromise: With code execution achieved, the attacker can escalate privileges, exfiltrate data, or establish persistent access to the compromised system.
The exploitation does not require any special tools—standard HTTP requests through the application interface can be sufficient to exploit this vulnerability. For detailed technical information, refer to the SAP Security Note #3239475.
Detection Methods for CVE-2022-41267
Indicators of Compromise
- Unexpected files appearing in server directories, particularly web-accessible locations or system configuration directories
- New or modified executable files (.jsp, .sh, .exe, .dll) in Business Objects installation paths
- Unusual file write operations logged from the Business Objects application service account
- Web shells or backdoor scripts discovered on the server filesystem
- Anomalous outbound network connections from the Business Objects server
Detection Strategies
- Monitor file system changes on Business Objects servers, particularly in web application directories and system paths
- Implement file integrity monitoring (FIM) solutions to detect unauthorized file modifications
- Analyze web server logs for unusual file upload requests from BI user sessions
- Deploy endpoint detection and response (EDR) solutions to identify malicious file creation events
- Review authentication logs for BI users accessing file upload functionality abnormally
Monitoring Recommendations
- Enable detailed audit logging for all file operations within SAP Business Objects Platform
- Configure SIEM alerts for file creation events in critical directories on BO servers
- Implement network traffic analysis to detect potential command and control communications from compromised servers
- Establish baseline behavior for file upload patterns and alert on deviations
How to Mitigate CVE-2022-41267
Immediate Actions Required
- Apply the security patch referenced in SAP Note #3239475 immediately
- Review and audit all BI user accounts for necessity and appropriateness of access
- Implement network segmentation to limit lateral movement potential from Business Objects servers
- Enable enhanced logging and monitoring on affected systems pending patch application
- Conduct a file system integrity check to identify any unauthorized files that may indicate prior exploitation
Patch Information
SAP has released a security patch to address CVE-2022-41267. Organizations running SAP Business Objects Business Intelligence Platform versions 420 or 430 should immediately apply the fix documented in SAP Security Note #3239475. The patch addresses the file upload validation and access control deficiencies that enable this vulnerability.
Additional security guidance is available in the SAP Security Documentation.
Workarounds
- Restrict network access to SAP Business Objects servers to only trusted IP ranges and necessary users
- Implement web application firewall (WAF) rules to filter and block suspicious file upload attempts
- Review and minimize BI user privileges according to the principle of least privilege
- Deploy additional file upload validation at the network perimeter if available
- Consider temporarily disabling vulnerable file upload functionality if business operations permit
# Example: Restrict file permissions on critical directories
chmod 750 /opt/sap/businessobjects/
chown root:sapservice /opt/sap/businessobjects/
# Enable audit logging for file modifications
auditctl -w /opt/sap/businessobjects/ -p wa -k sap_bo_file_changes
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
