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OWASP Dependency-Check. Jeremy Long jeremy.long@owasp.org twitter: @ctxt. Jeremy Long. 10 years information security experience 10 years software development experience Senior Information Security Engineer at a large financial institution Northern Virginia OWASP Chapter board member

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owasp dependency check
OWASP Dependency-Check
  • Jeremy Long
  • jeremy.long@owasp.org
  • twitter: @ctxt
jeremy long
Jeremy Long
  • 10 years information security experience
  • 10 years software development experience
  • Senior Information Security Engineer at a large financial institution
  • Northern Virginia OWASP Chapter board member
  • Lead developer/architect for OWASP Dependency-Check
steve springett
Steve Springett
  • 19 years software development experience
  • 4 years information security experience
  • Principal application security engineer at
  • Provide direction, best practices & education
  • Contributor to OWASP Dependency-Check
vulnerabilities in 3rd party libraries
Vulnerabilities in 3rd Party Libraries

88% of code in today’s applications come from libraries and frameworks

113 million downloads analyzed for the 31 most popular Java frameworks/libs

26% had known vulnerabilities

Most vulnerabilities are undiscovered

Jeff Williams & ArshanDabirsiaghi

The Unfortunate Reality of Insecure Libraries

Aspect Security (March 2012)

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owasp top ten 2013
OWASP Top Ten 2013

A9 – Using components with known vulnerabilities

Prevalence: Widespread

Detectability: Difficult

5

dependency check
Dependency-Check

Simple answer to the A9 problem

Identifies libraries and reports on known/published vulnerabilities

Currently limited to Java & .NET libraries

Project Team:

Jeremy Long – lead developer/architect

Will Stranathan - contributor

Steve Springett - contributor

6

library identification
Library Identification

Reporting on published/known vulnerabilities requires the correct identification of the libraries used

7

problems w library identification
Problems w/ Library Identification

No standard labeling mechanism for identifying

CPE identifiers are used in NVD CVE:

cpe:/a:springsource:spring_framework:3.0.0

cpe:/a:vmware:springsource_spring_framework:3.0.0

cpe:/a:apache:struts:1.2.7

cpe:/a:apache:struts:2.1.2

File hashes could be used to aid in identification

Hash database must be maintained

Hashes may change if library is built from source

Components bundled via one jar, maven-shade-plugin, etc.

8

library identification evidence based identification
Library Identification:Evidence Based Identification

Local copy of the NVD CVE is maintained

Evidence collected is used to search the local database to identify the library and vulnerabilities

Data extracted from libraries

File name, manifest, POM, package names, etc.

Mapping of library to CPE/CVE not needed

Future enhancements may include a file hash analyzer – this is not currently available

9

evidence based identification problems
Evidence Based Identification:Problems

False Positives

Evidence extracted may cause incorrect identification

False Negatives

If key elements are not included in the JAR the library will not be identified and may be a risk

10

false positives
False Positives

Suppression Filters – added in 1.0.7

Provides a simple way to remove false positives

<?xml version="1.0" encoding="UTF-8"?><suppressions xmlns="https://www.owasp.org/index.php/OWASP_Dependency_Check_Suppression"><suppress><notes><![CDATA[file name: spring-core-3.0.0.RELEASE.jar]]></notes><sha1>4F268922155FF53FB7B28AECA24FB28D5A439D95</sha1><cpe>cpe:/a:vmware:springsource_spring_framework:3.0.0</cpe></suppress></suppressions>

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dependency check current state
Dependency-Check:Current State

Identifies CVE’s in Java and .NET libraries

Useful for inventorying and monitoring

Developed in Java

Current Interfaces: CLI, Ant Task, Maven Plugin, and Jenkins plugin.

Easily extendable to analyze other file types/languages

12

dependency check roadmap
Dependency-Check:Roadmap

Sonar Plugin

IDE plugins (such as Netbeans)

Possible integration with Apache Archiva

Additional analyzers for JavaScript (jquery, Node libraries, etc.)

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dependency check1
Dependency-Check

License – Apache 2.0

Important Links:

OWASP Project Page:

https://www.owasp.org/index.php/OWASP_Dependency_Check

SCM:

https://github.com/jeremylong/DependencyCheck

Mailing List:

Subscribe: dependency-check+subscribe@googlegroups.com

Post: dependency-check@googlegroups.com

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