Bug ID 1011065: Certain attack signatures may not match in multipart content

Last Modified: May 04, 2022

Bug Tracker

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

Known Affected Versions:
15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 16.1.0, 16.1.1

Fixed In:
16.1.2, 15.1.4.1

Opened: Apr 13, 2021
Severity: 2-Critical
Related AskF5 Article:
K39002226

Symptoms

Under certain conditions, ASM may not correctly detect attack signatures.

Impact

Attack detection is not triggered as expected.

Conditions

- ASM provisioned - Request contains multipart body that matches specific attack signatures.

Workaround

None

Fix Information

Attack detection is now triggered as expected.

Behavior Change