Bug ID 430488: Core in WAM plugin handling a POST with huge content

Last Modified: Jul 12, 2023

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

Known Affected Versions:
11.3.0, 11.4.0, 11.4.1

Fixed In:
11.5.0, 11.4.1 HF9

Opened: Sep 12, 2013

Severity: 2-Critical

Related Article: K14765

Symptoms

When processing POST requests with very large bodies, WAM may crash while attempting viewstate processing.

Impact

TMM crash

Conditions

WAM-enabled virtual server Invalidation trigger matches request Very large POST request

Workaround

Ensure that no invalidation triggers exist for paths that might POST large documents

Fix Information

AAM no longer crashes while attempting viewstate processing.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips