Add vpatch-CVE-2024-6235 rule and test (#1590)

* Add vpatch-CVE-2024-6235 rule

* Add vpatch-CVE-2024-6235 test config

---------

Co-authored-by: Thibault "bui" Koechlin <thibault@crowdsec.net>

Author: crowdsec-automation

.appsec-tests/vpatch-CVE-2024-6235/CVE-2024-6235.yaml

@@ -0,0 +1,25 @@
+## autogenerated on 2025-11-28 14:43:34
+id: CVE-2024-6235
+info:
+  name: CVE-2024-6235
+  author: crowdsec
+  severity: info
+  description: CVE-2024-6235 testing
+  tags: appsec-testing
+http:
+  - raw:
+      - |
+        GET /internal/v2/config/mps_secret/ADM_SESSIONID HTTP/1.1
+        Host: {{Hostname}}
+        Referer: {{RootURL}}/admin_ui/mas/ent/html/main.html
+        Content-Type: application/json
+        If-Modified-Since: Thu, 01 Jan 1970 05:30:00 GMT
+        NITRO_WEB_APPLICATION: true
+        Tenant-Name: Owner
+        User-Name: nsroot
+        Mps-Internal-Request: true
+    cookie-reuse: true
+    matchers:
+    - type: status
+      status:
+       - 403

.appsec-tests/vpatch-CVE-2024-6235/config.yaml

@@ -0,0 +1,5 @@
+## autogenerated on 2025-11-28 14:43:34
+appsec-rules:
+  - ./appsec-rules/crowdsecurity/base-config.yaml
+  - ./appsec-rules/crowdsecurity/vpatch-CVE-2024-6235.yaml
+nuclei_template: CVE-2024-6235.yaml

appsec-rules/crowdsecurity/vpatch-CVE-2024-6235.yaml

@@ -0,0 +1,33 @@
+## autogenerated on 2025-11-28 14:43:34
+name: crowdsecurity/vpatch-CVE-2024-6235
+description: 'Detects unauthorized access to sensitive NetScaler Console configuration endpoint disclosing ADM_SESSIONID.'
+rules:
+  - and:
+      - zones:
+          - URI
+        transform:
+          - lowercase
+        match:
+          type: contains
+          value: /internal/v2/config/mps_secret/adm_sessionid
+      - zones:
+          - HEADERS
+        variables:
+          - user-name
+        transform:
+          - lowercase
+        match:
+          type: equals
+          value: nsroot
+
+labels:
+  type: exploit
+  service: http
+  confidence: 3
+  spoofable: 0
+  behavior: 'http:exploit'
+  label: 'NetScaler Console - Sensitive Information Disclosure'
+  classification:
+    - cve.CVE-2024-6235
+    - attack.T1592
+    - cwe.CWE-200

collections/crowdsecurity/appsec-virtual-patching.yaml

@@ -139,6 +139,7 @@ appsec-rules:
 - crowdsecurity/vpatch-CVE-2025-27222
 - crowdsecurity/vpatch-CVE-2025-64446
 - crowdsecurity/vpatch-CVE-2020-10987
+- crowdsecurity/vpatch-CVE-2024-6235
 author: crowdsecurity
 contexts:
 - crowdsecurity/appsec_base