Bug ID 757391: datagroup iRule command class can lead to memory corruption

Last Modified: Feb 26, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP 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, 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, 13.1.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 14.1.0, 14.1.0.1, 14.1.0.2

Opened: Feb 01, 2019
Severity: 2-Critical

Symptoms

When using the iRule command to access datagroups within a foreach loop memory can be corrupted and tmm can crash.

Impact

Traffic disrupted while tmm restarts.

Conditions

A [class] command used within a foreach loop

Workaround

no workarround aside from removing that iRule.

Fix Information

None

Behavior Change