CVE-2009-1977 in Secure Backup
Summary
by MITRE
Unspecified vulnerability in the Oracle Secure Backup component in Oracle Secure Backup 10.2.0.3 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors. NOTE: the previous information was obtained from the July 2009 Oracle CPU. Oracle has not commented on claims from an independent researcher that this vulnerability allows attackers to bypass authentication via unknown vectors involving the username parameter and login.php.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 11/16/2025
The vulnerability identified as CVE-2009-1977 resides within Oracle Secure Backup 10.2.0.3, a component designed to provide secure backup and recovery solutions for Oracle databases. This unspecified weakness represents a critical security flaw that could potentially compromise the fundamental security principles of confidentiality, integrity, and availability. The vulnerability was initially disclosed through Oracle's July 2009 Critical Patch Update, indicating its severity and the need for immediate attention from system administrators and security teams managing Oracle environments. The lack of specific technical details in the initial disclosure suggests either incomplete information from Oracle's internal assessment or the complexity of the underlying issue that required further investigation.
Technical analysis reveals that the vulnerability manifests through unknown vectors that specifically target the authentication mechanisms within Oracle Secure Backup. Independent researcher claims suggest that attackers can bypass authentication by exploiting issues related to the username parameter within the login.php interface. This type of vulnerability falls under the category of authentication bypass flaws, which are particularly dangerous as they allow unauthorized access to protected systems without proper credentials. The weakness likely stems from insufficient input validation or improper session management within the web-based administrative interface, creating potential pathways for malicious actors to gain unauthorized access to backup systems. Such vulnerabilities often map to CWE-287 which specifically addresses improper authentication issues in software systems, making this a significant concern for organizations relying on Oracle Secure Backup for their data protection infrastructure.
The operational impact of CVE-2009-1977 extends beyond simple unauthorized access to encompass potential data breaches, system compromise, and disruption of backup operations. Attackers who successfully exploit this vulnerability could gain access to sensitive backup data, potentially leading to complete data loss or exposure of confidential information. The availability aspect of this vulnerability could be exploited through denial-of-service attacks that disrupt backup operations, while integrity concerns arise from the possibility of attackers modifying backup configurations or corrupting backup data. Organizations using Oracle Secure Backup 10.2.0.3 may face significant operational disruption as attackers could potentially manipulate backup schedules, delete critical backup sets, or even compromise the entire backup infrastructure. This vulnerability particularly impacts environments where Oracle Secure Backup is used for enterprise database protection, as it could allow attackers to undermine the foundation of data recovery and business continuity planning.
Mitigation strategies for CVE-2009-1977 should prioritize immediate patching of Oracle Secure Backup installations to the latest available versions that address this authentication bypass vulnerability. Organizations should implement network segmentation to limit access to Oracle Secure Backup interfaces, restricting administrative access to trusted networks and implementing strong access controls. The use of network monitoring tools can help detect suspicious authentication attempts or unusual traffic patterns that may indicate exploitation attempts. Security teams should conduct thorough audits of their Oracle Secure Backup configurations, ensuring that default accounts are disabled and that proper access controls are implemented. Additionally, implementing multi-factor authentication mechanisms and regular security assessments of backup systems can help reduce the risk of successful exploitation. From an ATT&CK framework perspective, this vulnerability aligns with techniques related to credential access and privilege escalation, making it important for organizations to implement comprehensive defensive measures that address both network-level and application-level security controls to prevent unauthorized access to backup infrastructure.