Last Modified: Sep 13, 2023
Affected Product(s):
BIG-IP ASM
Known Affected Versions:
11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.1 HF10, 11.5.1 HF11, 11.5.2 HF1, 11.5.3 HF1, 11.5.3 HF2, 11.5.4 HF1, 11.5.4 HF2, 11.6.0, 11.6.1, 11.6.2, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3, 12.1.0 HF1, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2
Fixed In:
12.0.0, 11.6.1 HF2, 11.5.4 HF3
Opened: Jan 05, 2015 Severity: 2-Critical
When JSON UTF16 content is handled by ASM and the content includes one of the characters below, the request could be blocked by ASM policy. XML_CHAR_BACKSLASH XML_CHAR_LEFT_CURLY_BRACKET XML_CHAR_RIGHT_CURLY_BRACKET
False positive request blocking.
ASM policy assigned to a virtual server and the policy configured to enforce JSON content.
None.
JSON unicode_charmap table has been fixed, thus UTF16 characters are interpreted correctly.