Bug ID 424605: Bug in the URL parser may cause mis-interpetation of the URL on a specific scenario.

Last Modified: Jul 12, 2023

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

Known Affected Versions:
11.4.0

Fixed In:
11.5.0, 11.4.0 HF3

Opened: Jul 04, 2013

Severity: 2-Critical

Symptoms

False positive or false negative URL-related attack signature matches on very specific URL scenario.

Impact

False positive or false negative.

Conditions

Specific URL.

Workaround

None.

Fix Information

This release improves the URL parser in order to better interpret a specific type of request.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips