Bug ID 505964: Invalid http cookie handling can lead to TMM core

Last Modified: Oct 16, 2023

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

Known Affected Versions:
11.5.1 HF1, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.1 HF10, 11.5.1 HF11, 11.5.2 HF1, 11.5.3 HF1, 11.5.3 HF2, 11.5.4 HF1, 11.5.4 HF2, 11.5.4 HF3, 11.5.4 HF4, 11.2.1, 11.4.1, 11.5.0, 11.5.1, 11.5.2, 11.6.0, 11.6.1, 11.6.2, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3

Fixed In:
11.6.0 HF5, 11.5.3, 11.4.1 HF9

Opened: Feb 10, 2015

Severity: 3-Major

Related Article: K16604

Symptoms

If an http cookie is invalid, then subsequent modifications to http cookie entries can result in a TMM core.

Impact

Traffic disrupted while tmm restarts.

Conditions

This issue can occur with an HTTP virtual server that performs cookie processing (either via an iRule, profile configuration, or as a result of persistence) and also performs header manipulation.

Workaround

None.

Fix Information

A crash in the HTTP profile implementation of cookie handling has been fixed.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips