Bug ID 1354305: MultiByte in Unicode is not decoded properly

Last Modified: Oct 04, 2024

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

Known Affected Versions:
16.1.3, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5, 16.1.4, 16.1.4.1, 16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1

Opened: Sep 21, 2023

Severity: 3-Major

Symptoms

The metachar values are being changed between the raw request and the violation report.

Impact

The metachar values are being changed between the raw request and the violation report.

Conditions

Enable Illegal Metacharacter violation in Learning and blocking settings and send request with language that is mutlibyte in Unicode.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips