Parasoft © 2013 1

2013-12-20

Arthur Hicken – Parasoft

December 2013

Parasoft © 2013 22

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Parasoft © 2013 33

1 Overloaded System

Know the load you need

Normal

Peak

Test before deploying

Isolate each component

Service Virtualization

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2 Text Editors

Text editors

• VI

• Emacs

Modern editors:

• Save Time

• Reduce bugs

• Increase understanding

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Results where they’re needed

Email is not an IDE

Browser is not an IDE

Tasks

Automatically

Distributed

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3 accidental assignments

if (a = b) {}

If a.equals(b){

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4 Plaintext Passwords

Sensitive data should be encrypted

Sending

Storing

Enforce reasonable passwords

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5 SQLi

Common

Easy to exploit

Easy to prevent

Data validation

Stored procedures

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6 Unstable builds

Non-repeatable builds

Human steps required

Artifacts not all under control

Environment not under control

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7 Memory Errors

Overwrites

Read overflow

Write overflow

Lucky pointers

Uninitialized memory

Buffer underrun

Dangling references

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8 Unhandled exceptions

When to handle, when to re-throw

Run-time vs compile-time checking

Empty handlers

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9 Race Conditions

Hard to find

Hard to reproduce

Careful API use

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10 False Positives

Proper Configuration

Proper Rules

Proper Suppressions

Leaving noise leads to missing

issues

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Doing too much

Too many rules

Too much code

Unimportant rules

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11 Memory Leaks

All software leaks

Resources, not just memory

Proper API use

Runtime debugger with good test suite

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12 Null Pointers

Affect stability

Important for APIs

Can be prevented

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The Whole List

1 - Overloaded system

2 - Text editors

3 - Accidental assignments

4 – Plaintext passwords

5 – SQLi

6 – Unstable builds

7 – Memory errors

8 – Unhandled exceptions

9 – Race conditions

10 – False positives

11 - Memory leaks

12 - Null pointers

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Next

Coming in January

New Years resolutions for Software Development

Parasoft © 2013 1919

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