CVE-2012-3293 in WebSphere Application Server
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the Administrative Console in IBM WebSphere Application Server (WAS) 6.1.x before 6.1.0.45, 7.0.x before 7.0.0.25, 8.0.x before 8.0.0.4, and 8.5.x before 8.5.0.1 allows remote attackers to inject arbitrary web script or HTML via vectors involving FRAME elements, related to a cross-frame scripting (XFS) issue.
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Analysis
by VulDB Data Team • 03/27/2021
The CVE-2012-3293 vulnerability represents a critical cross-site scripting flaw in IBM WebSphere Application Server administrative console components. This vulnerability specifically affects multiple versions of the application server including 6.1.x prior to 6.1.0.45, 7.0.x prior to 7.0.0.25, 8.0.x prior to 8.0.0.4, and 8.5.x prior to 8.5.0.1. The flaw stems from inadequate input validation and output encoding mechanisms within the administrative console's handling of FRAME elements, creating a cross-frame scripting condition that enables attackers to execute malicious code in the context of the administrative interface.
The technical implementation of this vulnerability involves the improper sanitization of user-supplied input when processing FRAME elements within the WebSphere administrative console. Attackers can exploit this weakness by injecting malicious JavaScript code or HTML content through FRAME parameters that are then rendered in the console interface. This cross-frame scripting issue specifically targets the administrative console's security boundaries, allowing attackers to bypass normal access controls and potentially gain elevated privileges within the application server environment. The vulnerability operates at the application layer and leverages the browser's frame navigation capabilities to execute malicious payloads.
The operational impact of CVE-2012-3293 is severe and multifaceted within enterprise environments utilizing IBM WebSphere Application Server. Successful exploitation could enable remote attackers to execute arbitrary code in the context of the administrative console, potentially leading to complete compromise of the application server. Attackers could leverage this vulnerability to perform actions such as creating new administrative users, modifying existing configurations, accessing sensitive application data, or even deploying malicious web shells. The vulnerability's nature as a cross-frame scripting issue means that it could be particularly dangerous in environments where administrative console access is restricted or where multiple applications share the same server instance. Organizations using WebSphere in production environments face significant risk of unauthorized access and potential data breaches.
Mitigation strategies for this vulnerability center on applying the official IBM security patches and updates released for the affected versions of WebSphere Application Server. Organizations should immediately upgrade to the patched versions mentioned in the advisory, specifically 6.1.0.45, 7.0.0.25, 8.0.0.4, and 8.5.0.1. Additionally, network-level protections such as web application firewalls and input validation rules should be implemented to filter malicious FRAME elements before they reach the administrative console. Security monitoring should include detection of suspicious FRAME element patterns in HTTP requests, and administrators should consider implementing stricter access controls and network segmentation for administrative console access. The vulnerability aligns with CWE-79 which describes cross-site scripting flaws, and maps to ATT&CK technique T1059.007 for script execution through web interfaces. Organizations should also conduct comprehensive security assessments of their WebSphere environments to identify potential additional vulnerabilities that may exist in related components or configurations.
This vulnerability demonstrates the critical importance of maintaining up-to-date security patches in enterprise application servers, particularly in administrative interfaces that serve as attack vectors for privilege escalation and system compromise. The cross-frame scripting nature of the flaw emphasizes the need for comprehensive security testing of web application interfaces and proper input validation mechanisms. Organizations should implement robust vulnerability management processes that prioritize and quickly deploy security patches for critical vulnerabilities like CVE-2012-3293 to protect against exploitation attempts in the wild.