CVE-2018-9130 in IBOS
Summary
by MITRE
IBOS 4.4.3 has XSS via a company full name.
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Analysis
by VulDB Data Team • 01/18/2020
The vulnerability identified as CVE-2018-9130 represents a cross-site scripting flaw discovered in IBOS version 4.4.3, a widely used enterprise collaboration platform. This vulnerability specifically manifests when an attacker can inject malicious scripts through the company full name field, which serves as a critical data input point within the application's user management and organizational configuration components. The flaw exists due to insufficient input validation and output encoding mechanisms that fail to properly sanitize user-supplied data before it is rendered in web pages.
The technical implementation of this vulnerability stems from the application's failure to adequately filter or escape special characters in the company full name parameter. When a user enters malicious script code into this field, the system stores the input without proper sanitization and subsequently displays it in web interfaces without appropriate HTML encoding. This creates an environment where attackers can execute arbitrary JavaScript code in the context of other users' browsers, potentially leading to session hijacking, credential theft, or unauthorized data manipulation. The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws due to improper output encoding, and represents a classic example of reflected or stored XSS vulnerabilities depending on how the data is processed and displayed.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to escalate privileges within the system and compromise the entire organizational collaboration environment. An attacker who successfully exploits this vulnerability could gain access to sensitive business data, manipulate user sessions, or even establish persistent backdoors within the enterprise network. The attack surface is particularly concerning given that company names are often used in multiple contexts throughout the application, including user interfaces, reports, and system notifications, amplifying the potential damage. This vulnerability also aligns with ATT&CK technique T1059.007, which covers scripting through web shells and command execution in web applications.
Mitigation strategies for CVE-2018-9130 should prioritize immediate implementation of proper input validation and output encoding mechanisms. Organizations must ensure that all user-supplied data, particularly in fields like company names, undergoes rigorous sanitization before being processed or displayed. The recommended approach involves implementing strict character validation, employing HTML entity encoding for all dynamic content, and utilizing content security policies to prevent unauthorized script execution. Additionally, regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other input fields throughout the application. The vendor should provide a patch that addresses the root cause by implementing proper input sanitization and output encoding, while organizations should consider implementing web application firewalls and monitoring systems to detect potential exploitation attempts. This vulnerability highlights the critical importance of secure coding practices and input validation in enterprise applications, particularly those handling sensitive organizational data and user information.