Bug ID 588049: Improve detection of browser capabilities

Last Modified: Nov 07, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP ASM(all modules)

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2

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