Access Control: Missing Authorization Check

ABSTRACT

如果不執行適當的授權檢查，未經授權的用戶就可以利用該程序啟動受限制的事務。

EXPLANATION

該 ABAP 程序可以通過調用 CALL TRANSACTION 命令來啟動新的事務。如果調用之前未執行授權檢查，運行 ABAB 程序的用戶就能夠啟動該用戶受限的事務。

例 1：以下代碼會調用將啟動 ABAP 編輯器的事務。

...
CALL TRANSACTION 'SE38' USING BDCDATA  MODE 'N'
MESSAGES INTO MESSTAB.
...

在這種情況下，未經授權的用戶也能夠通過運行此代碼來啟動 ABAP 編輯器并將任意代碼注入 SAP 系統。

REFERENCES

[1] Standards Mapping - OWASP Top 10 2007 - (OWASP 2007) A10 Failure to Restrict URL Access

[2] Standards Mapping - OWASP Top 10 2004 - (OWASP 2004) A2 Broken Access Control

[3] Standards Mapping - OWASP Top 10 2010 - (OWASP 2010) A8 Failure to Restrict URL Access

[4] Standards Mapping - FIPS200 - (FISMA) AC

[5] Standards Mapping - Security Technical Implementation Guide Version 3 - (STIG 3) APP3510 CAT I

[6] Standards Mapping - Security Technical Implementation Guide Version 3.4 - (STIG 3.4) APP3510 CAT I

[7] Standards Mapping - Common Weakness Enumeration - (CWE) CWE ID 285

[8] Standards Mapping - Web Application Security Consortium 24 + 2 - (WASC 24 + 2) Insufficient Authorization

[9] Standards Mapping - SANS Top 25 2009 - (SANS 2009) Porous Defenses - CWE ID 285

[10] Standards Mapping - SANS Top 25 2010 - (SANS 2010) Porous Defenses - CWE ID 285

[11] Standards Mapping - SANS Top 25 2011 - (SANS Top 25 2011) Porous Defenses - CWE ID 862

[12] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 - (PCI 1.1) Requirement 6.5.2

[13] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 - (PCI 1.2) Requirement 6.5.4

[14] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 - (PCI 2.0) Requirement 6.5.8

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