CVE-2017-12882 in Batch Admin
Summary
by MITRE
Stored Cross-site scripting (XSS) vulnerability in Spring Batch Admin before 1.3.0 allows remote authenticated users to inject arbitrary JavaScript or HTML via the file upload functionality.
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Analysis
by VulDB Data Team • 01/09/2021
The CVE-2017-12882 vulnerability represents a critical stored cross-site scripting flaw within the Spring Batch Admin framework prior to version 1.3.0. This vulnerability specifically targets the file upload functionality, creating a pathway for remote authenticated attackers to execute malicious code within the context of other users' browsers. The flaw exists in the application's handling of uploaded files, where user-supplied content is not adequately sanitized before being stored and subsequently rendered in web interfaces. The vulnerability affects organizations using Spring Batch Admin versions earlier than 1.3.0, making them susceptible to persistent XSS attacks that can compromise user sessions and data integrity. Security researchers have categorized this issue under CWE-79, which specifically addresses Cross-site Scripting vulnerabilities, highlighting the fundamental weakness in input validation and output encoding mechanisms.
The technical exploitation of this vulnerability requires an authenticated user to upload a malicious file through the Spring Batch Admin interface. When the system processes and stores this file, the malicious payload becomes embedded within the application's data store and is subsequently displayed to other users who access the file listing or related functionality. The stored nature of this XSS vulnerability means that the malicious code persists in the system and can affect multiple users over time, unlike reflected XSS attacks that require specific user interaction. The vulnerability demonstrates poor security practices in the file upload validation process, where the application fails to properly sanitize file names, content, or metadata before storing user-provided data. This weakness aligns with ATT&CK technique T1203, which covers Exploitation for Client Execution, as the vulnerability enables attackers to execute arbitrary code in the context of a victim's browser session.
Organizations impacted by CVE-2017-12882 face significant operational risks including potential session hijacking, data exfiltration, and privilege escalation attacks. The vulnerability can be leveraged to steal sensitive information from authenticated users, manipulate application data, and potentially gain deeper access to underlying systems. Attackers may use this vulnerability to establish persistent backdoors within the application environment, creating long-term security risks for organizations relying on Spring Batch Admin for batch processing management. The impact extends beyond immediate data compromise, as the stored nature of the vulnerability means that the malicious code can affect users for extended periods, potentially leading to cascading security incidents. Security teams must consider the broader implications of this vulnerability within their application security posture, as it represents a failure in the application's input validation and output encoding controls. The vulnerability also highlights the importance of proper security testing during application development cycles, particularly around file upload and user input handling mechanisms.
The recommended mitigation strategy for CVE-2017-12882 involves immediate upgrading to Spring Batch Admin version 1.3.0 or later, which contains the necessary patches to address the stored XSS vulnerability. Organizations should also implement additional security controls including comprehensive input validation, output encoding, and content security policy enforcement. Security measures should include validating file types, sanitizing user-supplied data, and implementing proper access controls for file upload functionality. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities within the application stack. Organizations should also consider implementing web application firewalls and security monitoring solutions to detect and prevent exploitation attempts. The vulnerability serves as a reminder of the critical importance of keeping software components updated and maintaining robust security practices throughout the software development lifecycle. Additionally, implementing proper security training for development teams can help prevent similar issues in future application development projects.