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Atomicorp WAF Rule 390626

Rule Summary

  • Rule ID: 390626
  • Status: Active
  • Alert message: Atomicorp.com WAF Rules: Null Byte Attack Blocked (Null byte character in Argument Name)
  • Observed CWEs: CWE-22 (2), CWE-120 (1), CWE-288 (1), CWE-306 (1), CWE-502 (1)
  • Revision: 23
  • Rule severity: Alert (1)
  • Phase: 2 (request body)
  • Request surfaces: Request argument names, JSON request data, SOAP request data
  • Rule action: deny
  • HTTP status: 403
  • Logging: log, auditlog

Description

This rule detects behavior identified by its current alert as “Null Byte Attack Blocked (Null byte character in Argument Name)” in the request argument names, JSON request data, SOAP request data. It evaluates during the request body phase and denies matching traffic with HTTP status 403.

This is a selected list of documented research observations, not an exhaustive coverage matrix. Absence of a CVE does not imply absence of protection.

CVEVulnerabilityProductCVSSSeverity
CVE-2019-17564Apache Dubbo 2.5.x-2.7.4 - Insecure Deserializationdubbo9.8 (v3.1)Critical
CVE-2020-11984Apache HTTP Server - Remote Code Executionhttp server9.8 (v3.1)Critical
CVE-2022-37042Zimbra Collaboration Suite 8.8.15/9.0 - Remote Code Executioncollaboration9.8 (v3.1)Critical
CVE-2023-46747F5 BIG-IP - Unauthenticated RCE via AJP Smugglingbig-ip access policy manager9.8 (v3.1)Critical
CVE-2023-47246SysAid Server - Remote Code Executionsysaid on-premises9.8 (v3.1)Critical

Observed CWEs

These CWEs are recorded on published CVEs in the selected observations associated with this rule. They are observational relationships, not a claim that the rule universally blocks every vulnerability assigned to a CWE.

CWERelated Published CVEs
CWE-22CVE-2022-37042 , CVE-2023-47246
CWE-120CVE-2020-11984
CWE-288CVE-2023-46747
CWE-306CVE-2023-46747
CWE-502CVE-2019-17564