Layer Seven Security Blog

Stay up to date on the latest trends in SAP security, new threats and information on protecting your critical systems against an attack

SAP Security Notes, October 2017

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SAP issued an important update for Hot News Note 2371726 originally released in November 2016. The note addresses a code injection vulnerability in Text Conversion which enables SAP standard text to be replaced by industry specific text. Function module BRAN_DIR_CREATE in Text Conversion enables an authenticated development user to inject operating system commands and execute …
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SAP Security Notes, September 2017

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Note 2408073 prepares systems to handle digitally signed SAP Notes. Digitally signed Notes will be issued by SAP in the future to protect against the risk of uploading Notes containing malware.  Digital signatures will support authentication and the identification of changes performed by attackers to SAP-delivered Notes.  SAP recommends only uploading digital signed Notes once …
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Monitor Table Access with SAP Solution Manager

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There has never been a greater need to monitor access to sensitive data in SAP systems. SAP data is increasingly accessible from access points outside network perimeters. Data in SAP systems is also targeted by attackers for cybercrime and corporate espionage. This article demonstrates how you can use SAP Solution Manager to detect and contain …
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Equifax Data Breach: Attackers Exploited an Unapplied Security Patch, not a Zero-Day Vulnerability

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On September 15, Equifax released a statement to confirm the initial attack vector that led to the compromise of personal information relating to 143 million consumers in the US, UK and Canada targeted an Apache Struts vulnerability within a web application that supports the organization’s online dispute portal. The patch for the vulnerability had been …
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SAP Security Notes, August 2017

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Note 2381071 patches a critical cross-site Ajax vulnerability in the Prototype JS library of BusinessObjects. Ajax is a method often used by JavaScripts to exchange data between servers and clients to update parts of web pages without refreshing or reloading entire pages.  This minimizes network bandwidth usage and also improves response times through rapid operations. …
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Discover Vulnerable System Connections with Interface Monitoring

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Interface Monitoring provides the answer to one of the most vexing questions in SAP security: where are our vulnerable cross-system connections and how do we monitor them to ensure they’re not abused by attackers? Although Interface Monitoring, also known as Interface Channel Monitoring or ICMon, has been available in SAP Solution Manager since version 7.10 …
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SAP Security Notes, July 2017

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Note 2442993 deals with a high-risk vulnerability in the Host Agent for SAP HANA. The Host Agent is automatically installed with every SAP instance on NetWeaver 7.02 and higher. The stand-alone component is used for controlling and monitoring SAP and non-SAP instances, databases and operating systems. Note 2442993 recommends upgrading to version 7.21 PL25 to …
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Q&A: Cybersecurity Monitoring with SAP Solution Manager

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How does Solution Manager detect threats and vulnerabilities in SAP systems? What specific applications in SolMan are used for vulnerability, patch and threat management? What are the requirements for using these areas? How long does it take to configure? What are the differences between monitoring using SolMan 7.1 and 7.2? What are the benefits of …
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SAP Security Notes, June 2017

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Note 2416119 was reissued in June with updated release information and solution instructions.  The note provides instructions for maintaining the property URLCheck ServerCertificate in Java Application Servers. The instructions are intended to mitigate the risk of man-in-the-middle attacks by securing client-server HTTPS connections. Certificates signed by Certificate Authorities should be maintained in client keystores to …
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A First Look at Support Pack 5 of SAP Solution Manager 7.2

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Released earlier this month, Support Pack 5 for SAP Solution Manager 7.2 delivers important enhancements in several key areas. This includes support for exporting and importing solution documentation between systems, improved SAP-delivered solution blueprints, and an enhanced graphical editor for mapping business processes. SP05 also introduces a new Fiori App for Quality Gate Management in …
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SAP Security Notes, May 2017

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Note 2380277 addresses a high priority memory corruption vulnerability in the GUI control component of the Internet Graphics Server (IGS). GUI control is a self-contained component of the presentation server in ABAP systems. The Note contains corrections for logical errors in memory management within the component. The errors could be exploited by attackers to extract …
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Discover, Implement and Test Security Notes using SAP Solution Manager 7.2

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The results of the recent Verizon DBIR revealed significant differences between industries in terms of vulnerability patching. Organizations in sectors such as information technology and manufacturing typically remove over 75% of vulnerabilities within 3 weeks of detection. At the other end of the spectrum, 75% or more of vulnerabilities discovered in financial and public sector …
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Highlights of the 2017 DBIR Report

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The Data Breach Investigations Report (DBIR) has chronicled the growth in security and data breaches for over a decade.  The findings of the most recent report released on April 27 are based on the analysis of more than 42,000 security incidents across a variety of industries and countries. For the first time, the DBIR examines …
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SAP Security Notes, April 2017

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Note 2419592 includes further corrections for a code injection vulnerability in TREX that was originally patched by SAP through Note 2234226 in February 2016. The vulnerability impacts the TREXNet protocol used for internal communications by TREX components and servers. TREXNet communication does not require any authentication. Therefore, the protocol can be abused to execute dangerous …
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Get Hands-On with SAP Solution Manager 7.2 at SAPPHIRE NOW + ASUG 2017

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Attending next month’s SAPPHIRE NOW and ASUG Annual Conference? Drop by booth #1280A for a live demonstration of security monitoring using SAP Solution Manager. Learn how to schedule Service Level Reports to automatically detect vulnerabilities in your SAP systems, enable Dashboards to monitor security KPIs, detect and apply security notes using System Recommendations, monitor system interfaces with Interface …
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SAP Security Notes, March 2017

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Note 2424173 deals with vulnerabilities in SAP HANA that were the subject of media attention in March. This includes coverage from the television news channel MSNBC. The vulnerabilities impact areas such as User Self Service Tools that support account-related tasks including password resets and self-registration through a web interface. The Note carries a CVSS of …
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Security KPI Monitoring with SolMan Dashboards

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SAP Fiori revolutionizes the user experience in Solution Manager 7.2. The dynamic tile-based layout replaces the work center approach in Solution Manager 7.1. In fact, since the Fiori launchpad provides direct and customizable access to applications, it virtually removes the role of work centers in Solution Manager.  Fiori and Fiori Apps are the first pillar …
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SAP Security Notes, February 2017

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Note 2410061 patches a dangerous Distributed Denial of Service (DDoS) vulnerability in the Data Orchestration Engine (DOE) Administration Portal. The DOE is used to access the SAP NetWeaver Mobile Administrator to manage and monitor mobile system landscapes. This includes connecting mobile clients, deploying agents and packages to mobile devices, managing single sign-on, and other tasks. …
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Explore Service Level Reporting in SolMan 7.2

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Service Level Reporting (SLR) in SAP Solution Manager performs regular checks against key performance indicators using information available from the EarlyWatch Alert (EWA), Business Warehouse (BW) and the Computer Center Management System (CCMS). The checks can be for single systems or systems grouped into solutions. Reports run automatically on a weekly or monthly schedule but …
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SAP Security Notes, January 2017

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Note 2407862 deals with a highly dangerous buffer overflow vulnerability in Sybase Software Asset Management (SySAM) that scores almost 10/10 using the Common Vulnerability Scoring System.  SySAM performs license management for products such as ASE, ESP, PowerDesigner and the Replication Server. The vulnerability arises from the Flexera Flexnet Publisher software bundled in SySAM. The third …
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Introducing the SAP Cybersecurity Framework 4.0

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Cyber attacks are at epidemic levels. According to research performed by 360 Security, there were over 85 billion attacks in 2015, equivalent to 2000 attacks per second. The cost of data breaches continues to grow, year after year, and reached record levels in 2016. Juniper Research estimate that average costs will exceed $150M within three …
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RFC Hacking: How to Hack an SAP System in 3 Minutes

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RFC exploits are hardly new. In fact, some of the well-known exploits demonstrated below are addressed by SAP Notes dating back several years. However, the disturbing fact is that the measures required to harden SAP systems against such exploits are not universally applied. As a result, many installations continue to be vulnerable to relatively simple …
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Introducing the New Dashboard Framework for SAP Solution Manager

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Earlier this year, SAP announced the general availability of Focused Insights, an enhanced dashboard framework for SAP Solution Manager. The framework was previously only available to MaxAttention customers as part of MaxAttention Next Generation Add-On (MANGO) services but is now available for all SAP customers. The dashboards aggregate real-time and historical data collected by Solution …
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Securing Your Business: Security at SAP

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In an open letter addressed to SAP customers earlier this year, SAP CEO Bill McDermott acknowledges the “tremendous concern around information security” given the “relentless and multiplying” threat presented by increasingly sophisticated attackers. The letter introduces the SAP paper Securing Your Business that discusses security trends and outlines SAP’s response to cyber threats. According to …
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