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Date: Mon, 14 Jun 2021 13:33:52 -0300
From: Onapsis Research via Fulldisclosure <fulldisclosure@...lists.org>
To: fulldisclosure@...lists.org
Subject: [FD] Onapsis Security Advisory 2021-0011 Missing authorization
 check in SolMan End-User Experience Monitoring

# Onapsis Security Advisory 2021-0011: Missing authorization check in
SolMan End-User Experience Monitoring


## Impact on Business

Any authenticated user of the Solution Manager is able to craft/upload
and execute EEM
scripts on the SMDAgents affecting its Integrity, Confidentiality and
Availability.


## Advisory Information

- Public Release Date: 06/14/2021
- Security Advisory ID: ONAPSIS-2021-0011
- Researchers: Gonzalo Roisman, Pablo Artuso


## Vulnerability Information

- Vendor: SAP
- Affected Components:
  - SAP Solution Manager 7.2

  (Check SAP Note #2983204 for detailed information on affected releases)

- Vulnerability Class: [CWE-862]: Missing Authorization
- CVSS v3 score: 7.6 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L)
- Risk Level: High
- Assigned CVE: CVE-2020-26830
- Vendor patch Information: SAP Security NOTE #2983204


## Affected Components Description

SAP SolMan 7.2 introduces a bunch of web services which run on top of
the SAP Java
NetWeaver stack. The affected versions have a vulnerable web service exposed.
Affected components:
* Solman 7.20
* Solman Java Stack NW 7.5
* LM-SERVICE: 1000.7.20.9.14.20200731160700

(Check SAP Note #2983204 for detailed information on affected releases)


## Vulnerability Details

The main objective of the End-user Enterprise Monitoring (EEM) app is
to upload scripts
which will mimic user actions in order to be able to automatically perform
different kinds of tests.

This process is intended to be carried out by SAP administrators who
want to monitor their
instances. However, due to a lack of authorization check, any valid
user from the Solution
Manager is able to fully utilize this application.

In other words, any valid user is able to craft its own script, upload
it and force its execution
by an SMD Agent. Some tasks that can be carried out are:

* Execution of arbitrary HTTP requests from the SMD Agent.
* Disclosure of sensitive content.
* Resource consumption of specific services.


## Solution

SAP has released SAP Note #2983204 which provide patched versions of the
affected components.

The patches can be downloaded
fromhttps://launchpad.support.sap.com/#/notes/2983204.

Onapsis strongly recommends SAP customers to download the related
security fixes and apply them to the affected components in order to
reduce business risks.


## Report Timeline

- 10/05/2020 - Onapsis sends details to SAP
- 10/05/2020 - SAP provides tracking id.
- 10/12/2020 - SAP provides update: "Fix in progress"
- 11/09/2020 - SAP provides update: "In process"
- 11/30/2020 - SAP proposes to split the original submission into two
different vulnerabilities.
- 12/02/2020 - Onapsis agrees to split the submission.
- 12/08/2020 - SAP releases note.


## References

- Onapsis blogpost: https://onapsis.com/blog/sap-security-notes-december-2020
- CVE Mitre: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26830
- Vendor Patch: https://launchpad.support.sap.com/#/notes/2983204.


## About Onapsis Research Labs

Onapsis Research Labs provides the industry analysis of key security
issues that impact business-critical systems and applications.
Delivering frequent and timely security and compliance advisories with
associated risk levels, Onapsis Research Labs combine in-depth knowledge
and experience to deliver technical and business-context with sound
security judgment to the broader information security community.

Find all reported vulnerabilities at
https://github.com/Onapsis/vulnerability_advisories


## About Onapsis, Inc.

Onapsis protects the mission-critical applications that run the global economy,
from the core to the cloud. The Onapsis Platform uniquely delivers actionable
insight, secure change, automated governance and continuous monitoring
for critical
systems—ERP, CRM, PLM, HCM, SCM and BI applications—from leading
vendors such as SAP,
Oracle, Salesforce and others, while keeping them protected and compliant.

For more information, connect with us on Twitter or LinkedIn, or visit
us athttps://www.onapsis.com.

## License
This advisory is licensed under a [Creative Commons 4.0 BY-ND
International License](https://creativecommons.org/licenses/by-nd/4.0/legalcode)

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