Bug ID 435598: Possible crash of tmm when loading an ltm policy that has a http-set-cookie action

Last Modified: Jul 12, 2023

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

Known Affected Versions:
11.4.0, 11.4.1

Fixed In:
11.5.0, 11.4.1 HF2

Opened: Oct 28, 2013

Severity: 2-Critical

Symptoms

While executing an http-set-cookie action, the tmm could overwrite memory beyond the allocated buffer. This could cause tmm to crash while perfoming a subsequent cofiruration load.

Impact

Traffic disrupted while tmm restarts.

Conditions

The of the http-set-cookie action will likely cause this problem on the next configuration load.

Workaround

None.

Fix Information

The condition which could cause memory corruption in tmm related to the http-set-cookie action in an ltm policy has been fixed.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips