Web Application Security 101 - 13 Business Logic

  • 20 views
Uploaded on

In part 13 of Web Application Security 101 we cover various business logic security vulnerabilities that effect modern web applications.

In part 13 of Web Application Security 101 we cover various business logic security vulnerabilities that effect modern web applications.

More in: Software
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Be the first to comment
    Be the first to like this
No Downloads

Views

Total Views
20
On Slideshare
0
From Embeds
0
Number of Embeds
0

Actions

Shares
Downloads
0
Comments
0
Likes
0

Embeds 0

No embeds

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
    No notes for slide

Transcript

  • 1. Business Logic Vulnerabilities in application-specific features.
  • 2. Examples Rounding Errors Number Conversions
  • 3. Rounding Errors You can see how the type-less systems such as those found in Python, Ruby, Perl, JavaScript and other could result into a rounding error. print 4000/5000 print 4000.0/5000 print round(4000/5000) print round(4000.0/5000)
  • 4. Number Conversions Small numbers can be represented in more than one way. print 0.0005 print 5e-4
  • 5. Lab Let's discover some business logic flaws.