CVE-2015-7726 in HANA DB
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in role deletion in the Web-based Development Workbench in SAP HANA DB 1.00.091.00.1418659308 allows remote authenticated users to inject arbitrary web script or HTML via the role name, aka SAP Security Note 2153898.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 02/06/2018
The vulnerability CVE-2015-7726 represents a cross-site scripting flaw discovered in SAP HANA Database's Web-based Development Workbench component. This security weakness specifically manifests during role deletion operations within the database management interface, where the system fails to properly sanitize user input before processing. The vulnerability affects SAP HANA DB version 1.00.091.00.1418659308 and has been documented under SAP Security Note 2153898, indicating its classification as a medium to high severity threat that requires immediate attention from system administrators and security teams.
The technical implementation of this vulnerability stems from inadequate input validation and sanitization mechanisms within the role deletion functionality. When authenticated users attempt to delete roles through the web interface, the system accepts the role name parameter without proper encoding or filtering of potentially malicious content. This allows attackers to inject arbitrary HTML or JavaScript code directly into the role name field, which then gets processed and displayed within the web application context. The flaw exists because the application does not implement proper output encoding or input sanitization before rendering user-supplied data in the web interface, creating an environment where malicious scripts can execute in the context of other users' browsers.
The operational impact of this vulnerability extends beyond simple script injection, as it enables attackers to perform various malicious activities that compromise user sessions and data integrity. Remote authenticated users can leverage this flaw to steal session cookies, redirect users to malicious websites, or even modify the behavior of the web application itself. The vulnerability particularly affects users who have administrative privileges within the SAP HANA environment, as these users typically have access to the role management functionality. Attackers could potentially create persistent XSS payloads that remain active until the role is deleted or the web application is restarted, making this a long-term threat to system security and user privacy.
Mitigation strategies for CVE-2015-7726 should prioritize immediate implementation of input validation and output encoding measures within the SAP HANA Web-based Development Workbench. Organizations must ensure that all user-supplied data, particularly parameters used in administrative functions like role deletion, undergo strict sanitization before processing. This includes implementing proper HTML encoding for all dynamic content and employing Content Security Policy headers to prevent script execution. The vulnerability aligns with CWE-79, which classifies cross-site scripting as a common weakness in web applications, and corresponds to ATT&CK technique T1059.007 for Scripting, as attackers can leverage this vulnerability to execute malicious scripts within user browsers. System administrators should also consider applying the relevant SAP security patches and updates, as well as implementing network-level monitoring to detect potential exploitation attempts through anomalous input patterns in role management operations.