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							   System Information Leak
							
            
							
            ABSTRACT
            
							
            
							  揭示系統數據或調試信息有助于攻擊者了解系統并制定攻擊計劃。
							
            
							
            EXPLANATION
            
							
            
							  當系統數據或調試信息通過輸出流或者日志功能流出程序時，就會發生信息泄漏。

            例：以下代碼會在屏幕上顯示 SAPFTP 版本信息：


            ...
            CALL FUNCTION 'FTP_VERSION'
              ...
            IMPORTING
            EXEPATH     = p
            VERSION     = v
            WORKING_DIR = dir
            RFCPATH     = rfcp
            RFCVERSION  = rfcv
            TABLES
            FTP_TRACE =                 FTP_TRACE.

            WRITE:'exepath:', p, 'version:', v, 'working_dir:', dir, 'rfcpath:', rfcp, 'rfcversion:', rfcv.
            ...


            根據選定屏幕的配置，此信息可轉儲到屏幕，也可以直接發送到打印機。在某些情況下，版本信息正好可以準確地告訴攻擊者入侵此系統的可能性有多大。同樣，錯誤消息也可以告訴攻擊者入侵此系統的可能性究竟有多大。例如，一個數據庫錯誤消息可以揭示應用程序容易受到 SQL Injection 攻擊。其他的錯誤消息可以揭示有關該系統的更多間接線索。
							
            
							 								
            REFERENCES
            
																								   
            [1] Standards Mapping - OWASP Top 10 2007 - (OWASP 2007) A6 Information Leakage and Improper Error Handling 
            
																									   
            [2] Standards Mapping - Security Technical Implementation Guide Version 3 - (STIG 3) APP3620 CAT II 
            
																									   
            [3] Standards Mapping - Security Technical Implementation Guide Version 3.4 - (STIG 3.4) APP3620 CAT II 
            
																									   
            [4] Standards Mapping - Common Weakness Enumeration - (CWE) CWE ID 497 
            
																									   
            [5] Standards Mapping - Web Application Security Consortium 24 + 2 - (WASC 24 + 2) Information Leakage 
            
																									   
            [6] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 - (PCI 2.0) Requirement 6.5.5 
            
																									   
            [7] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 - (PCI 1.2) Requirement 6.5.6 
            
																														
            
							
            
							
            
							
            
							Copyright 2013 Fortify Software - All rights reserved.
							
            
							(Generated from version 2013.1.1.0008 of the Fortify Secure Coding Rulepacks)
							
            
							desc.dataflow.abap.system_information_leak
							
            
							
            
						
            

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