Bug ID 588049: Improve detection of browser capabilities

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP ASM(all modules)

Fixed In:
13.0.0, 12.1.1

Opened: Apr 17, 2016

Severity: 3-Major

Symptoms

Browsers can override native functions, and manipulate the PBD capabilities test.

Impact

Malicious browsers can go undetected by PBD.

Conditions

1. Proactive Bot defense is on. 2. Attacker override its native functions.

Workaround

N/A

Fix Information

Check that majority of browsers native functions are not overridden.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips