CVE-2011-0882 in Enterprise Manager Grid Control
Summary
by MITRE
Unspecified vulnerability in the Content Management component in Oracle Database Server 10.1.0.5, 10.2.0.3, 10.2.0.4, and 11.1.0.7; and Oracle Enterprise Manager Grid Control 10.1.0.6, 10.2.0.5, and 11.1.0.1; allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to Scheduler.
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Analysis
by VulDB Data Team • 11/14/2021
The vulnerability identified as CVE-2011-0882 resides within Oracle Database Server's Content Management component and affects multiple versions including 10.1.0.5, 10.2.0.3, 10.2.0.4, and 11.1.0.7, alongside Oracle Enterprise Manager Grid Control versions 10.1.0.6, 10.2.0.5, and 11.1.0.1. This security flaw operates within the scheduler functionality of these systems, representing a critical weakness that enables remote attackers to compromise the fundamental security properties of confidentiality, integrity, and availability. The unspecified nature of the vulnerability vectors suggests that the attack surface encompasses multiple potential pathways through which malicious actors could exploit the system, making the assessment and mitigation of this vulnerability particularly challenging for security professionals. The scheduler component in Oracle database environments typically manages automated tasks and job execution processes, making it a prime target for attackers seeking to disrupt operations or gain unauthorized access to sensitive data. This vulnerability represents a significant risk to enterprise environments that rely on Oracle database systems for critical business operations, as it could allow attackers to manipulate scheduled jobs, potentially leading to data corruption, unauthorized access to sensitive information, or system disruption that impacts availability.
The technical implementation of this vulnerability appears to stem from inadequate input validation and access control mechanisms within the Content Management component's interaction with the scheduler. Attackers exploiting this weakness could potentially manipulate job schedules, execute unauthorized commands, or gain elevated privileges within the database environment. The vulnerability's classification as affecting confidentiality, integrity, and availability aligns with the core principles of the CIA triad, indicating that it could enable attackers to read sensitive data, modify system configurations, or cause service disruption. From a cybersecurity perspective, this vulnerability demonstrates the importance of proper privilege separation and input sanitization in database management systems, particularly in components that handle automated task execution. The fact that this vulnerability affects multiple versions of Oracle Database and Enterprise Manager Grid Control suggests a widespread impact across the Oracle ecosystem, requiring coordinated patch management efforts across various system components. This type of vulnerability commonly maps to CWE-20, which represents "Improper Input Validation" in the Common Weakness Enumeration catalog, and could potentially be leveraged to achieve techniques described in the ATT&CK framework under the "Command and Control" and "Persistence" domains, where attackers might establish long-term access through manipulated scheduled tasks.
Organizations affected by CVE-2011-0882 should implement immediate mitigation strategies focusing on network segmentation and access control enforcement. The most effective approach involves applying the relevant Oracle security patches released in response to this vulnerability, which typically address the underlying scheduler implementation flaws. Security administrators should also consider implementing network-level restrictions to limit access to Oracle database components, particularly those that interact with the Content Management scheduler functionality. Monitoring for unusual job scheduling patterns or unauthorized modifications to scheduled tasks can help detect exploitation attempts. Additionally, organizations should conduct comprehensive vulnerability assessments to identify any potential backdoors or unauthorized access points that might have been established through this vulnerability. The remediation process requires careful planning to avoid disrupting legitimate scheduled operations while ensuring complete protection against the vulnerability. Security teams should also review and update their incident response procedures to address potential exploitation scenarios involving database scheduler manipulation. Regular security assessments and penetration testing should be conducted to validate the effectiveness of implemented controls and identify any additional weaknesses in the database environment. The vulnerability underscores the critical importance of maintaining up-to-date security patches and implementing defense-in-depth strategies that protect against both known and emerging threats in database management systems. Organizations should also consider implementing database activity monitoring solutions that can detect anomalous behavior in scheduled jobs, providing additional layers of protection against exploitation attempts that leverage this vulnerability.