# 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) -- This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This message contains confidential information and is intended only for the individual named. If you are not the named addressee you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately by e-mail if you have received this e-mail by mistake and delete this e-mail from your system. If you are not the intended recipient you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this information is strictly prohibited.