4 years ago

Category: Business, firewall

by While Regex is wonderful, it can also be difficult to evaluate properly.

This type of attack is widespread on the modern Internet and can lead to financial losses and damages to a business’s reputation.

In this case, the attacker can inject an evil regex of her choice and then submit string input that would cause the evil regex to run for a long time.

You can also try to find validated and secured regex patterns online instead of writing your own.