Onapsis Security Advisory 2014-020: SAP Business Objects Information Disclosure 1. Impact on Business ===================== A malicious user can discover information relating to valid users using a vulnerable Business Objects Enterprise instance. This information could be used to allow the malicious user to specialize their attacks against the system. Risk Level: Medium 2. Advisory Information ======================= - - Public Release Date: 2014-09-18 - - Subscriber Notification Date: 2014-10-08 - - Last Revised: 2014-09-18 - - Security Advisory ID: ONAPSIS-2014-029 - - Onapsis SVS ID: ONAPSIS-00072 - - Researcher: Will Vandevanter - - Initial Base CVSS v2: 5.0 (AV:N/AC:L/AU:N/C:P/I:N/A:N) 3. Vulnerability Information ============================ - - Vendor: SAP - Affected Components: - BussinessObjects Edge 4.0 - BOXI R2 - BOXI 3.1 (Check SAP Note 2001109 for detailed information on affected releases) - - Vulnerability Class: Information Exposure Through Timing Discrepancy (CWE-208) - - Remotely Exploitable: Yes - - Locally Exploitable: No - - Authentication Required: No - - Detection Module available in Onapsis X1: Yes - - BizRisk Illustration Module available in Onapsis X1: Yes - - Original Advisory: http://www.onapsis.com/resources/get.php?resid=adv_onapsis-2014-029 4. Affected Components Description ================================== Business Objects is part of the Business Intelligence platform from SAP. It has components that provide performance management, planning, reporting, query and analysis and enterprise information management. Every Business Objects installation provides a web service to interact with different platform services. 5. Vulnerability Details ======================== The vulnerability could be exploited by sending a web services request to the Session web service and attempting SecEnterprise authentication. By timing the replies from the remote server an attacker can identify existent and non-existent users. Specifically, an authentication attempt from the remote server using an existing username will cause the server to take longer to respond than a username that does not exist. 6. Solution =========== SAP has released SAP Note 2001109 which provide patched versions of the affected components. The patches can be downloaded from https://service.sap.com/sap/support/notes/2001109. Onapsis strongly recommends SAP customers to download the related security fixes and apply them to the affected components in order to reduce business risks. 7. Report Timeline ================== 2013-08-29: Onapsis provides vulnerability information to SAP AG. 2013-08-30: SAP confirms having the information of vulnerability. 2014-06-10: SAP releases security patches. 2014-10-08: Onapsis notifies availability of security advisory. 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. About Onapsis, Inc. =================== Onapsis gives organizations the adaptive advantage to succeed in securing business-critical applications by combining technology, research and analytics. Onapsis enables every security and compliance team an adaptive approach to focus on the factors that matter most to their business ? critical applications that house vital data and run business processes. Onapsis provides technology solutions including Onapsis X1, the de-facto SAP security auditing tool which delivers enterprise vulnerability, compliance, detection and response capabilities with analytics. The Onapsis Research Labs provide subject matter expertise that combines in-depth knowledge and experience to deliver technical and business-context with sound security judgment. This enables organizations to efficiently uncover security and compliance gaps and prioritize the resolution within applications running on SAP platforms. Onapsis delivers tangible business results including decreased business risk, highlighted compliance gaps, lower operational security costs and demonstrable value on investment. For further information about our solutions, please contact us at info@onapsis.com and visit our website at www.onapsis.com.