WCF Misconfiguration: Throttling Not Enabled

ABSTRACT

不對系統資源的使用設定限制，可能會導致資源耗盡，并最終發生 Denial of Service。

EXPLANATION

Windows Communication Foundation (WCF) 可以抑制服務請求。允許過多客戶端請求可能會導致系統資源被全部占用。另一方面，只允許對服務進行少量請求可能會造成合法用戶無法使用該服務。應單獨調節和配置每一個服務，為其限定適當數量的資源。

REFERENCES

[1] Microsoft

[2] Standards Mapping - OWASP Top 10 2004 - (OWASP 2004) A9 Application Denial of Service

[3] Standards Mapping - Security Technical Implementation Guide Version 3 - (STIG 3) APP6080 CAT II

[4] Standards Mapping - Security Technical Implementation Guide Version 3.4 - (STIG 3.4) APP6080 CAT II

[5] Standards Mapping - Web Application Security Consortium 24 + 2 - (WASC 24 + 2) Brute Force, Insufficient Anti-automation

[6] Standards Mapping - Common Weakness Enumeration - (CWE) CWE ID 400, CWE ID 770

[7] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 - (PCI 1.1) Requirement 6.5.9

[8] Standards Mapping - SANS Top 25 2010 - (SANS 2010) Risky Resource Management - CWE ID 770