Add vpatch-CVE-2023-47248 rule

Author: crowdsec-automation

appsec-rules/crowdsecurity/vpatch-CVE-2023-47248.yaml

@@ -0,0 +1,33 @@
+## autogenerated on 2026-07-01 13:09:22
+name: crowdsecurity/vpatch-CVE-2023-47248
+description: 'Detects PyArrow Flight RPC RCE via crafted extension type in DoPut endpoint.'
+rules:
+  - and:
+      - zones:
+          - URI
+        transform:
+          - lowercase
+        match:
+          type: contains
+          value: /arrow.flight.protocol.flightservice/doput
+      - zones:
+          - HEADERS
+        variables:
+          - content-type
+        transform:
+          - lowercase
+        match:
+          type: contains
+          value: application/grpc
+
+labels:
+  type: exploit
+  service: http
+  confidence: 3
+  spoofable: 0
+  behavior: 'http:exploit'
+  label: 'PyArrow - RCE'
+  classification:
+    - cve.CVE-2023-47248
+    - attack.T1190
+    - cwe.CWE-502