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Imperva SecureSphere - SQL injection filter bypass
Severity : High
Local/Remote : Remote
Author : @drk1wi
Summary
Due to a typo in one of the rules of the sql injection engine the WAF can be bypassed by appending a specially crafted string.
Vulnerability Details
The vector: 15 and '1'=(SELECT '1' FROM dual) and '0having'='0having' won't be classified as malicious and will bypass the SQL Injection filter. 'and '0having'='0having' is causing the bypass.
Time-line
8/07/2010 - Vendor notified
10/07/2010 - Vendor response
12/08/2010 - Vendor patch release
06/05/2011 - Public disclosure
Fix Information
Apply ADC Content Update from 12 - August - 2010
