Advisory

On 10.03.2020 a security relevant correction has been released by SAP SE. The manufacturer resolves an issue within BI/BO platform.

SAP Note 2826782 addresses "[CVE-2020-6196] Denial of service (DOS) in SAP BusinessObjects Mobile (MobileBIService)" to prevent denial of service (dos) with a high risk for exploitation.

A workaround does not exist, according to SAP Security Advisory team. It is advisable to implement the correction as part of maintenance, the team suggests.

Denial of Service (DoS) attacks that take a system offline may lead to significant cost for the company, studies quantify the costs in average between 4 and 5 millions dollars. Business continuity requires SAP systems staying online. The CVSS scores or vulnerability descriptions are not enough to represent how a simple bug can lead to a significant loss for companies.

Risk specification

SAP BusinessObjectsMobile allows an unauthenticated attracker could render an servlet unresponsive causing a denial of service.

Solution

MobileBIService now validates the authenticity of notification requests. If it is from an unauthorized source, the request is discarded. If the request is from an authorized source, the request payload is parsed and processed.

Affected System

SAP BusinessObjects Business Intelligence suite is an analytics platform allowing SAP customers to make better decisions based on their business data. SAP BI is a module meant for producing business insights and expands its power in combination with HANA DB and also exists as BW/4 HANA. Due to processing sensitive business data, the Data security is of utmost importance.

The advisory is valid for

ENTERPRISE 420 ⁸⁷

Releated advisories

Disclaimer

SecurityBridge takes the security of SAP products very seriously. We very much encourage the responsible disclosure of security vulnerabilities. If you have detected a vulnerability concerning one of the SAP software products – either in the latest or in a former product version follow the guidelines and processes in accordance with the SAP portal page “Report a Security Vulnerability to SAP”.

The advisories found within the SecurityBridge advisory are generated and continuously enriched by our Team at SecurityBridge and affiliated security consultants, partners, customers of the SecurityBridge Platform, SAP support, and advisory groups.

We do not disclose zero-day vulnerabilities unless a security patch has been made available to the public. In such case, the platform only provides details on which version or signature updates are available within the SecurityBridge platform in order to monitor or measure the vulnerability.

In accordance with SAP guidelines, SecurityBridge only discloses issues where the fixing security note has been released. The vulnerability platform makes no references to available exploits or Proof of Concepts (PoC). Advisories and vulnerabilities will always mention the fixing security note or hints to the corresponding SAP documentation.

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Notifications

Affected system BI/BO platform

CVSS 7.5

Component MOB-APP-BI-SRV

Patch Day2020-03

Released on2020/03/10

SAP Note 2826782

Workaround No

Advisory

Risk specification

Solution

Affected System

Disclaimer

_{Affected system}
BI/BO platform

_CVSS
7.5

_Component
MOB-APP-BI-SRV

_{Patch Day}
2020-03

_{Released
on}
2020/03/10

_{SAP Note}
2826782

_Workaround
No