![]() ![]() ![]() The following requests allow one to conduct a successful attack for.These requests may be successfully performed using HPF.The SQL request becomes select key from table where.This request is successfully performed using the HPP technique.SQL=" select key from table where id= "+Request.QueryString("id") Successful conduction of an HPP attack bypassing WAF depends on theĮnvironment of the application being attacked. This request will be successfully performed using HPP.(replacement of a regular expression with the empty string). The given example works in case of excessive cleaning of incoming data Instead of construction /**/, any symbol sequence that WAF cuts off Similarly, the following request doesn’t allow anyone to conduct an. ![]() ![]() The given example works in case of cleaning of dangerous traffic, not inĬase of blocking the entire request or the attack source.Įxample Number (2) of a vulnerability in the function of request After being processed by WAF, the request will become.Will be successfully performed /?id=1/*union*/union/*select*/select+1,2,3/* If there is a corresponding vulnerability in the WAF, this request.The following request doesn’t allow anyone to conduct an attack.Example: (MySQL): SELECT * from table where id = 1 union select 1,2,3Įxample: (PostgreSQL): SELECT * from table where id = 1 select 1,2,3īypassing WAF: SQL Injection - Normalization MethodĮxample Number (1) of a vulnerability in the function of request ![]()
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February 2023
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