Bug ID 781605: Fix RFC issue with the multipart parser

Last Modified: Sep 13, 2023

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

Known Affected Versions:
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, 12.1.0, 12.1.1, 12.1.2, 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, 12.1.4.1, 12.1.5, 12.1.5.1, 12.1.5.2, 12.1.5.3, 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, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 15.0.0, 15.0.1

Fixed In:
15.1.0, 15.0.1.1, 14.1.2.1, 13.1.3, 12.1.6, 11.6.5.3

Opened: May 12, 2019

Severity: 3-Major

Symptoms

False positive or false negative attack signature match on multipart payload.

Impact

A parameter specific excluded signature may be matched or un-matched.

Conditions

Very specific parsing issue.

Workaround

N/A

Fix Information

Multi part parser issue was fixed.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips