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Date: Mon, 14 Jun 2021 13:29:32 -0300
From: Onapsis Research via Fulldisclosure <fulldisclosure@...lists.org>
To: fulldisclosure@...lists.org
Subject: [FD] Onapsis Security Advisory 2021-0005: SAP Solution Manager Open
 Redirect from Trace Analysis

# Onapsis Security Advisory 2021-0005: SAP Solution Manager Open
Redirect from Trace Analysis

## Impact on Business

Under certain circumstances, an attacker might be able to steal a
cookie from the application.
It may impact the confidentiality of the service.


## Advisory Information

- Public Release Date: 06/14/2021
- Security Advisory ID: ONAPSIS-2021-0005
- Researcher: Yvan Genuer


## Vulnerability Information

- Vendor: SAP
- Affected Components:
  - SAP Solution Manager 7.2 (ST 720)

  (Check SAP Note 2938650 for detailed information on affected releases)

- Vulnerability Class: [CWE-601] URL Redirection to Untrusted Site
- CVSS v3 score: 3.4 (AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N)
- Risk Level: Low
- Assigned CVE: CVE-2020-26836
- Vendor patch Information: SAP Security NOTE 2938650


## Affected Components Description

SAP Solution Manager 7.2


## Vulnerability Details

An open redirect vulnerability exists in the application E2E Trace
Analysis in SAP Solution Manager 7.2.
The servlet `/E2eTraceGatewayW/E2eTraceServlet` uses current user
information to gather logs content
stored in the backend server. The attacker can enter a link to a
malicious site which could trick the
user to enter credentials or download malicious software, as a
parameter in the application URL and share
it with the end user who could potentially become a victim of the attack.


## Solution

SAP has released SAP Note 2938650 which provide patched versions of the
affected components.

The patches can be downloaded
fromhttps://launchpad.support.sap.com/#/notes/2938650.

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

 - 04/30/2020 - Onapsis provides details to SAP
 - 04/30/2020 - SAP Provides ID: SR-20-00204
 - 05/11/2020 - SAP provides update: "Vulnerability in progress"
 - 10/12/2020 - SAP provides update: "Fix in progress"
 - 12/08/2020 - SAP releases SAP Note fixing the issue. Vulnerability
is now closed


## References

 - Onapsis blogpost: https://onapsis.com/blog/sap-security-notes-december-2020
 - CVE Mitre: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26836
 - Vendor Patch: https://launchpad.support.sap.com/#/notes/2938650


## 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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