Many applications incorporate external open source and third-party components that enable developers to build new functionality quickly and efficiently. But while the use of open source components has many benefits, it also introduces risk.

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Web App

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And drill-down to the single issue, a Fixed version is also suggested:

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including all References and Exploits:

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SCA Desktop

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And drill-down to the single issue, a Fixed version is also suggested:

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including all References and Exploits:

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SCA Desktop

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Application Architecture

SCA Reviewer is able to create a Design Structure Matrix (DSM) by reading the compiled code (JAR, DLL binaries) and/or related UML diagrams.

DSM-Design Structure Matrix

An example of SCA Reviewer’s automatically generated Design Structure Matrix is shown below:

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A Design Structure Matrix consists of a matrix to visualize Dependencies of hierarchically organized elements and a set of algorithms which can be applied on the matrix to sort the elements in order to discover layering.

A Design Structure Matrix (DSM) is made by two parts

• A matrix to visualize dependencies

• Algorithms which can be applied on the matrix to discover e.g. layering in the software.

The DSM consists of a matrix with the same elements in the rows and columns

• The hierarchy of packages and elements is visible on the left.

• The relations between the elements are shown in the cells.

In a DSM, the hierarchy can also be folded in whole or in part. The relational strengths of the collapsed cells are simply combined. As a result, the DSM will become more compact, but will still remain correct in terms of content.

In this way it is possible to display a system with thousands of elements and still keep the overview.

DSM Architectural Discovery

By applying a partitioning algorithm on the DSM, the layering of the software will be discovered by SCA Reviewer during the binary analysis. Such an algorithm tries to reorder the DSM in such a way that as many relationships as possible come under the diagonal.

After partioning elements with many inbound relationships (providers) have shifted to the bottom, while the elements with many outgoing relationships (consumers) have shifted to the top.

Cyclic relations can be easily spotted, because the type of relations remain above the diagonal.

DSM Assist in refactoring (Desktop only)

A DSM can be used to improve the dependency structure. One can think of:

• Removing cyclic dependencies.

• Improving the cohesiveness of a component by move elements to other component were the have stronger relations.

In the matrix we can move an element to another component or layer, combine it with other elements or split and then recalculate all dependencies to see if this yields a better dependency structure.

After recalculating the dependencies it can be seen that the cyclical relationship between the presentation and application layer has disappeared.

The advantages of such an impact analysis are particularly evident in improvement scenarios that take place at the architectural level and thus affect multiple components. Without the use of a DSM, such analysis are unreliable, because the intended and the actual software architecture often do not match.

DSM-Supported Languages

• .NET: C# and vb.NET Assembly

• JAVA, Clojure, Groovy, Kotlin JAR files

• C/C++ Source and Header files

• UML in Sparx System Enterprise Architect format

• DSM Files from 3rd-party tools (for example ArgoUML)

• DSI Model. Two DSI Model files can be compared

A DSI Model file is a way to import 3rd-party analyzer’s DSM output to SCA Reviewer.. A DSI file represent an analyzer’s output. Each code analyzer must export its DSM results to DSI file. To ensure that the SCA Reviewer can import this file, it must conform the DSI file XSD schema below:

CI/CD plugin

Software Composition Analysis Jenkins and Bamboo native plugins and CLI Interface (test on many CI/CD platforms) provide a 360 degrees solution covering all your DevOps needs. 3rd-party libraries can be analyzed (Open Source Analysis-OSA) using a shared folder located on Network File System (NFS), a Nexus Repository or JFrog Artifactory for discovering Vulnerable Libraries, Vulnerable Frameworks, Blacklisted/ Discontinued/ Outdated / Obsolete/ Deprecated libraries and frameworks. Legal issues like: Blacklisted Licenses, Licenses Conflict, No-licensed libraries, Suspicious (modified) licenses and Poor-man Copyrights are fully-detected from the tool.

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**Security Reviewer’s SCA unique features

Package Managers

SCA supports several Package Managers.

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