Bug ID 831325: HTTP PSM detects more issues with Transfer-Encoding headers

Last Modified: Oct 06, 2020

Bug Tracker

Affected Product:  See more info
BIG-IP AFM, LTM(all modules)

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 12.1.4.1, 12.1.5, 12.1.5.1, 13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 13.1.3, 13.1.3.1, 13.1.3.2, 13.1.3.3, 14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 15.0.0, 15.0.1

Fixed In:
15.1.0, 15.0.1.1, 14.1.2.5, 13.1.3.4, 12.1.5.2

Opened: Sep 25, 2019
Severity: 2-Critical
Related AskF5 Article:
K10701310

Symptoms

HTTP PSM may not detect some invalid Transfer-Encoding headers.

Impact

Traffic is not alarmed/blocked as expected.

Conditions

HTTP PSM is used to detect HTTP RFC violations. A request with an invalid Transfer-Encoding header is sent.

Workaround

None.

Fix Information

HTTP PSM detects new cases of invalid Transfer-Encoding headers.

Behavior Change