Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP ASM
Known Affected Versions:
11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4
Fixed In:
11.6.0, 11.5.1 HF5
Opened: Jul 01, 2014 Severity: 2-Critical
The BIG-IP system may temporarily fail to process traffic.
The BIG-IP system may temporarily fail to process traffic.
1. Configure blocking bot detection with fingerprint. 2. Send a POST request without a referrer with some payload that includes a content attack signature that gets a client side challenge response.
N/A
We fixed an issue where rarely the Enforcer crashed when trying to match signatures on the body of a re-constructed POST request.