Bug ID 1095041: ASM truncates cookies that contain a space in the name and TS cookie as part of cookie list.

Last Modified: Feb 07, 2024

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

Known Affected Versions:
15.1.4, 15.1.4.1, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1

Fixed In:
17.1.0, 16.1.4, 15.1.10

Opened: Apr 06, 2022

Severity: 3-Major

Symptoms

HTTP requests are truncated at the cookie and raise a violation.

Impact

Backend server does not receive a complete cookie.

Conditions

-- Cookie list contains TS cookie -- A cookie contains a space in the name -- TS cookie stripping is enabled (db asm.strip_asm_cookies is set as true)

Workaround

Sys db asm.strip_asm_cookies is set as false.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips