Last Modified: Jul 12, 2023
Affected Product(s):
BIG-IP ASM
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, 14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.0.0.5, 14.0.1
Fixed In:
14.1.0, 14.0.1.1, 13.1.0.8
Opened: Feb 01, 2018 Severity: 3-Major
When adding or modifying a user-defined Attack Signature in Simple Edit Mode, backslashes preceding a forward slash are mistakenly doubled in regular expression keywords within the Signature.
The backslash escaping the forward slash is doubled, which changes the enforced signature rule.
-- Add or modify a user-defined Attack Signature with a regular expression keyword containing an escaped forward slash in Simple Edit Mode.
Create or modify the Signature rule using Advanced Edit Mode.
When adding or modifying a user-defined Attack Signature in Simple Edit Mode, backslashes preceding a forward slash are handled correctly in regular expression keywords within the Signature rule.