Security Advisories

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Onapsis security advisories enable customers to better understand the security and business implications of discovered SAP and Oracle security issues. This enables organizations to prioritize patches, updates and their remediation strategies to ensure continuity of the business. Onapsis security advisories, together with vendor patches and security notes, are available for download to provide vendors and end-users with the necessary information to mitigate advanced threats to mission-critical applications running on SAP and Oracle.

High 06/14/2021 SAP Hybris eCommerce

SAP Hybris eCommerce SSRF in Acceleratorservices Module

Impact On Business

SAP Hybris accelerator services module is vulnerable to server side request forgery, which means that an authenticated attacker is able to perform POST requests to any valid URL.

Affected Components Description

SAP Hybris is an ecommerce product platform that is used to address a family of products involving Customer Experience and Management.

The acceleratorservices extension provides a payment gateway mock that integrates with the Accelerator storefront checkout process.

Affected Components:

SAP Hybris eCommerce 1808
SAP Hybris eCommerce 1811
SAP Hybris eCommerce 1905
SAP Hybris eCommerce 2005

(Check SAP Note 2975170 for detailed information on affected releases)

Vulnerability Details

A Server Side Request Forgery without authentication, exists in SAP Hybris acceleratorservices. This means that anyone accessing this extension, is able to use it to make arbitrary HTTP requests, bypassing network restrictions.

This same issue can be used to make a self-referenced request that will loop forever, consuming all memory resources and locking the service until restart (Denial of Service).

Solution

SAP has released SAP Note 2975170 which provides patched versions of the affected components.

The patches can be downloaded from https://launchpad.support.sap.com/#/notes/2975170

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

08/25/2020: Onapsis provides details to SAP
08/25/2020: SAP provides SR ID
09/09/2020: SAP provides update: "Vulnerability is in progress"
10/12/2020: SAP provides update: "Fix in progress"
11/10/2021: SAP releases SAP Note fixing the issue. Vulnerability is now closed

REFERENCES

Onapsis Blog Post:
https://onapsis.com/blog/sap-security-notes-november-2020
CVE Mitre:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26811
Vendor Patch:
https://launchpad.support.sap.com/#/notes/2975170

Advisory Information

Public Release Date: 06/14/2021
Security Advisory ID: ONAPSIS-2021-0007
Vulnerability Submission ID: 843
Researcher(s): Gaston Traberg

Vulnerability Information

Vendor: SAP
Vulnerability Class: |LS|CWE-200|RS| Exposure of Sensitive Information to an Unauthorized Actor
CVSS v3 score: 7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Severity: High
CVE: CVE-2020-26809
Vendor patch Information: SAP Security Note 2975189

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

This advisory is licensed under a Creative Commons 4.0 BY-ND International License