Bug ID 719005: Login request may arrive corrupted to the backend server after CAPTCHA or CSID mitigation

Last Modified: May 07, 2019

Bug Tracker

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

Known Affected Versions:
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

Fixed In:
14.1.0, 13.1.0.8

Opened: May 08, 2018
Severity: 3-Major

Symptoms

Login request arrives corrupted (specifically, some of the characters in the payload are changed).

Impact

Login request fails.

Conditions

-- A brute force CAPTCHA or CSID mitigation happens. -- Specific traffic conditions.

Workaround

None.

Fix Information

CAPTCHA or CSID request-handling now works as expected.

Behavior Change