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Published byВалентина Заболоцкая Modified over 5 years ago
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OWASP Application Security Verification Standard
– Web Application Edition Mike Boberski (Booz Allen Hamilton) Jeff Williams (Aspect Security) Dave Wichers (Aspect Security) 12/08
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What questions does ASVS answer?
How do I know how much trust can be placed in a web application or web service? How do I know what features to build into security controls used by a web application or web service? How do I acquire a web application or web service that is verified to have a certain range in coverage and level of rigor? ? ?
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How is the ASVS intended to be used?
It can be used to provide a yardstick with which to assess the degree of trust that can be placed in their web applications and services, It can be used to provide guidance to security control developers as to what to build into their commercial products in order to satisfy web application and service security requirements, and It can be used to provide a basis for specifying web application and web service security requirements in contracts.
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What is the status of the ASVS as an OWASP standard?
12/8/ OWASP ASVS Final assistance required! Please join the mailing list for more information and assignments. 12/5/ OWASP ASVS exits the Summer of Code 2008! The Beta draft of the Web Application Edition is released! Mike Boberski, Jeff Williams, and Dave Wichers are the primary authors. 10/3/ OWASP ASVS Alpha draft is released! Mike Boberski is the primary author. 4/16/ OWASP ASVS Summer of Code 2008 proposal submitted by Mike Boberski wins!
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What does the ASVS look like?
“Verification Levels” section “Detailed Verification Requirements” section “Verification Reporting Requirements” section
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What are ASVS verification levels?
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Earning a level…
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Level 1 – Automated Verification
Levels in more detail Level 1 – Automated Verification Level 1A – Dynamic Scan (Partial Automated Verification) Level 1B – Source Code Scan (Partial Automated Verification) Level 2 – Manual Verification Level 2A – Penetration Test (Partial Manual Verification) Level 2B – Code Review (Partial Manual Verification) Level 3 – Design Verification Level 4 – Internal Verification
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Breadth – Number of Requirements
Coverage Depth – Level of Rigor No malicious developers The design has to be right The controls have to be right Scan Breadth – Number of Requirements
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Level 1 in more detail Automated verification of a web application or web service treated as groups of components within single monolithic entity.
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Application Security Verification Techniques
Find Vulnerabilities Using the Running Application Find Vulnerabilities Using the Source Code Manual Application Penetration Testing Manual Security Code Review Automated Application Vulnerability Scanning Automated Static Code Analysis
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Tools – At Best 45% MITRE found that all application security tool vendors’ claims put together cover only 45% of the known vulnerability types (695) They found very little overlap between tools, so to get 45% you need them all (assuming their claims are true)
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Level 2 in more detail Manual verification of a web application or web service organized into a high-level architecture.
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Manual Penetration Test Level 2B Manual Code Review
Level 2 Options Level 2A Manual Penetration Test Level 2B Manual Code Review Need BOTH to achieve a full level 2 But requirements can be filled by either
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Level 3 in more detail Design verification of a web application or web service organized into a high-level architecture.
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Level 4 in more detail Internal verification by searching for malicious code (not malware) and examining how security controls work.
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What are ASVS verification requirements?
Security architecture verification requirements Security control verification requirements Security architecture information puts verification results into context and helps testers and reviewers to determine if the verification was accurate and complete
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A positive approach Negative Positive
The tester shall search for XSS holes Positive Verify that the application performs input validation and output encoding on all user input
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Requirement Summary Security Area Level 1A 1B 2A 2B Level 3 Level 4
V1 – Security Architecture Verification Requirements 1 2 4 5 V2 – Authentication Verification Requirements 3 9 13 14 V3 – Session Management Verification Requirements 6 7 8 V4 – Access Control Verification Requirements 12 15 V5 – Input Validation Verification Requirements V6 – Output Encoding/Escaping Verification Requirements 10 V7 – Cryptography Verification Requirements V8 – Error Handling and Logging Verification Requirements V9 – Data Protection Verification Requirements V10 – Communication Security Verification Requirements V11 – HTTP Security Verification Requirements V12 – Security Configuration Verification Requirements V13 – Malicious Code Search Verification Requirements V14 – Internal Security Verification Requirements Totals 22 51 83 96 112
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What are ASVS reporting requirements?
R1 – Report Introduction R2 – Application/Service Description R3 – Application/Service Security Architecture R4 – Verification Results Is the report sufficiently detailed to make verification repeatable? Does the report have sufficient types of information to allow a reviewer to determine if the verification was accurate and complete?
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You can download a copy from the project web page:
Where do I go from here? You can download a copy from the project web page: You can send comments and suggestions for improvement using the project mailing list: See “Mailing List/Subscribe” link on project web page.
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Questions? ?
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