CVE-2012-5955 in WebSphere Application Server
Summary
by MITRE
Unspecified vulnerability in the IBM HTTP Server component 5.3 in IBM WebSphere Application Server (WAS) for z/OS allows remote attackers to execute arbitrary commands via unknown vectors.
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Analysis
by VulDB Data Team • 12/21/2021
The vulnerability identified as CVE-2012-5955 represents a critical security flaw within the IBM HTTP Server component version 5.3 that is part of the IBM WebSphere Application Server ecosystem specifically designed for z/OS operating systems. This vulnerability exists within the server component that handles web requests and responses, creating a potential entry point for malicious actors to gain unauthorized access to the underlying system infrastructure. The unspecified nature of the vulnerability vectors suggests that the exact technical mechanism through which exploitation occurs has not been fully disclosed in the public domain, though it is clearly designed to enable remote code execution capabilities.
The technical flaw manifests within the IBM HTTP Server implementation where insufficient input validation or access control mechanisms exist, allowing remote attackers to craft malicious requests that can trigger arbitrary command execution on the targeted system. This type of vulnerability falls under the category of remote code execution flaws that can be particularly dangerous in enterprise environments where application servers handle sensitive data and critical business operations. The vulnerability specifically affects systems running IBM WebSphere Application Server for z/OS, which operates in mainframe environments where security and stability are paramount due to the high-value nature of the data processed.
The operational impact of this vulnerability is severe and multifaceted, potentially allowing attackers to gain complete control over the affected IBM HTTP Server instance and subsequently access the underlying z/OS system. Remote attackers could execute malicious code with the privileges of the web server process, potentially leading to data theft, system compromise, service disruption, and unauthorized access to corporate networks. The z/OS environment presents unique challenges as these systems often handle mission-critical applications and sensitive data, making the potential impact of such exploitation particularly devastating. Organizations relying on this server configuration face significant risk of unauthorized access to their enterprise applications and infrastructure.
Mitigation strategies for CVE-2012-5955 should prioritize immediate implementation of vendor-provided security patches and updates for the IBM HTTP Server component. Organizations must also implement network segmentation and access controls to limit exposure of the vulnerable server to untrusted networks. Additional defensive measures include monitoring network traffic for suspicious patterns, implementing intrusion detection systems, and conducting regular security assessments of the WebSphere Application Server environment. From a cybersecurity framework perspective, this vulnerability aligns with CWE-78 which addresses OS Command Injection, and represents a technique that could be categorized under ATT&CK matrix tactics such as TA0002 (Execution) and TA0003 (Persistence). System administrators should also consider implementing application firewalls and web application security controls to provide additional layers of protection against similar vulnerabilities in the future.