Bug ID 716788: TMM may crash while response modifications are being performed within DoSL7 filter

Last Modified: Nov 07, 2022

Bug Tracker

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

Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 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, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 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, 14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4

Fixed In:
14.1.0, 14.0.0.5, 13.1.0.8, 12.1.3.7

Opened: Apr 25, 2018
Severity: 2-Critical

Symptoms

TMM might crash when a response is modified by the DoSL7 filter while injecting an HTML response from a backend server.

Impact

Traffic disrupted while tmm restarts, failover may occur.

Conditions

-- ASM provisioned. -- DoS application profile is attached to a virtual server.

Workaround

There is no workaround other than to remove the DoS application profile from the virtual server.

Fix Information

Response modification handler has been modified so that this issue no longer occurs.

Behavior Change