Last Modified: Sep 13, 2023
Affected Product(s):
BIG-IP ASM
Known Affected Versions:
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, 12.1.6
Fixed In:
13.0.0
Opened: Jul 18, 2016 Severity: 2-Critical
When configuring custom Captcha response page bigger than 1024 bytes, requests are getting dropped instead of getting Captcha response. There is also no indication of error.
Site availability decrease.
1. During Captcha mitigation in DOSL7 2. Custom Captcha response page 3. Requests are getting dropped instead of getting Captcha response.
Change Captcha response to be smaller than 1024 bytes
No limitation for Captcha page.