Heap Inspection: Swappable Memory

ABSTRACT

不要使用 VirtualLock 來鎖定包含敏感數據的頁面。因為該函數并不總會執行。

EXPLANATION

當敏感數據（如密碼或加密密鑰）因為沒有從內存中刪除而被泄漏給攻擊者時，就會發生 Heap inspection 漏洞。

VirtualLock 函數旨在鎖定內存中的頁面，以防這些頁面在磁盤上被標注頁碼。然而，在 Windows 95/98/ME 操作系統上，這一函數僅作為樁函數使用，因而不會產生什么影響。

REFERENCES

[1] Standards Mapping - OWASP Top 10 2010 - (OWASP 2010) A7 Insecure Cryptographic Storage

[2] Standards Mapping - OWASP Top 10 2007 - (OWASP 2007) A8 Insecure Cryptographic Storage

[3] Standards Mapping - OWASP Top 10 2004 - (OWASP 2004) A8 Insecure Storage

[4] Standards Mapping - Security Technical Implementation Guide Version 3 - (STIG 3) APP3230.2 CAT II

[5] Standards Mapping - Security Technical Implementation Guide Version 3.4 - (STIG 3.4) APP3230.2 CAT II

[6] Standards Mapping - Common Weakness Enumeration - (CWE) CWE ID 591

[7] Standards Mapping - FIPS200 - (FISMA) MP

[8] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 - (PCI 1.2) Requirement 3.4, Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4

[9] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 - (PCI 2.0) Requirement 3.4, Requirement 6.5.3, Requirement 8.4

[10] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 - (PCI 1.1) Requirement 3.4, Requirement 6.5.8, Requirement 8.4