CVE-2018-1394 in Rational
Summary
by MITRE
Multiple IBM Rational products are vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 138425.
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Analysis
by VulDB Data Team • 05/02/2023
The vulnerability identified as CVE-2018-1394 affects multiple IBM Rational products and represents a critical cross-site scripting flaw that undermines the security posture of these enterprise-grade software solutions. This vulnerability resides within the web user interfaces of affected IBM Rational products, creating an avenue for malicious actors to inject arbitrary JavaScript code into the application's response. The flaw specifically enables attackers to manipulate the intended functionality of the web application by embedding malicious scripts that can execute within the context of a user's session. The affected IBM Rational products include various development and quality management tools that are widely deployed in enterprise environments where sensitive data and intellectual property are handled.
The technical exploitation of this cross-site scripting vulnerability occurs when the application fails to properly validate and sanitize user input before rendering it in the web interface. This validation gap allows attackers to submit malicious payloads that are then executed by the browser of unsuspecting users who interact with the affected application. The vulnerability is particularly dangerous because it operates within the context of a trusted session, meaning that the injected JavaScript code can potentially access and exfiltrate sensitive credentials, session tokens, or other confidential information that the authenticated user has access to. The attack vector typically involves crafting specially formatted input that gets reflected back to the user's browser without proper sanitization, enabling the execution of malicious scripts in the victim's browser context.
The operational impact of this vulnerability extends beyond simple data theft, as it can lead to complete session hijacking and privilege escalation within the affected IBM Rational environments. Attackers can leverage this vulnerability to perform actions on behalf of authenticated users, potentially compromising the integrity of development processes, accessing source code repositories, or manipulating quality management data. The vulnerability affects organizations that rely on IBM Rational products for software development lifecycle management, where the exposure of session credentials or sensitive project data could result in significant financial and operational losses. The attack can be executed through various means including email phishing campaigns, compromised web applications, or by exploiting the vulnerability in conjunction with other attack vectors to establish persistent access within the target environment.
Organizations should implement comprehensive mitigation strategies that align with established security frameworks and best practices. The primary defense mechanism involves implementing robust input validation and output encoding mechanisms to prevent malicious code injection. This approach corresponds to CWE-79 which specifically addresses cross-site scripting vulnerabilities and aligns with the mitigation techniques recommended in the ATT&CK framework under the T1059.007 technique for scripting. Organizations should also consider implementing content security policies that restrict the execution of inline scripts and limit the sources from which scripts can be loaded. Additionally, regular security updates and patches from IBM should be applied immediately upon availability, as the vendor has likely released remediation measures to address this specific vulnerability. Network monitoring and web application firewalls can provide additional layers of defense by detecting and blocking suspicious traffic patterns that may indicate exploitation attempts. The vulnerability also highlights the importance of security awareness training for developers and administrators who work with these enterprise applications, as understanding the attack vectors and proper coding practices can significantly reduce the risk of successful exploitation.